Yellow Cab contracted with the Birmingham Board of Education to transport physically handicapped students. The contract provided, “Yellow Cab will transport the physically handicapped students of the School System…and furnish all necessary vehicles and personnel and will perform all maintenance and make all Chapter 14 Third-Party Rights 14.5 Summary and Exercises 554 repairs to the equipment to keep it in a safe and efficient operating condition at all times.” Yellow Cab subcontracted with Metro Limousine to provide transportation in connection with its contract with the board. Thereafter, Metro purchased two buses from Yellow Cab to use in transporting the students. DuPont, a Metro employee, was injured when the brakes on the bus that he was driving failed, causing the bus to collide with a tree. DuPont sued Yellow Cab, alleging that under its contract with the board, Yellow Cab had a nondelegable duty to properly maintain the bus so as to keep it in a safe operating condition; that that duty flowed to him as an intended third-party beneficiary of the contract; and that Yellow Cab had breached the contract by failing to properly maintain the bus. Who wins?DuPont v. Yellow Cab Co. of Birmingham, Inc., 565 So.2d 190 (Ala. 1990).

An Internet retailer would like to investigate the relationship between the amount of time in minutes a purchaser spends on its Web site and the amount of money he or she spends on an order. The table to the right shows the data from a random sample of 12 customers. Construct a 90​% confidence interval for the regression slope. Construct a 90​% confidence interval for the slope. LCL equals nothing and UC Lequals nothing ​(Round to three decimal places as​ needed.)

Use linux

Original question:

d) Use metacharacters and the ls -lL command (with lower and upper case L) to list all filenames under the datafiles directory that contain a dot '.' with the letter 'f' or 'u' anywhere after the dot.

e) Use metacharacters and a single ls -lL command (with lower and upper case L) to listall file names that contain a dot '.' followed by a lower case letter, then end with the letter 't' or 'r' as the second from last character. And these files should be from your current directory as well as any directory under the current directory that contains the letters "data".
For example: data1/a.pqrs would be a match, but dabta.Dtu and datafiles/.softdo not match.
Hint: use two command arguments, one for the current directory, and one for directories the contain 'data'.

Instructure sample output:

d)

-rwx------ 1 rpa b20003 2401 Sep 5 14:15 datafiles/famous.backup
-rwx------ 2 rpa b20003 2401 Sep 5 14:25 datafiles/famous.soft

e)

-rwx------ 2 rpa b20003 2401 Sep 5 14:25 datafiles/famous.hard
-rwx------ 2 rpal b20003 2401 Sep 5 14:25 famous.data

What I have so far:

[dfoote1$$$$$$ bin]$ ls -lL /students/dfoote1/bin/datafiles/*.*[fu]*
-rwx------ 1 dfoote1 students 2401 Sep 17 17:45 /students/dfoote1/bin/datafiles/famous.backup
-rwx------ 2 dfoote1 students 2401 Sep 17 16:15 /students/dfoote1/bin/datafiles/famous.soft
[dfoote1$$$$$$ bin]$ ls -ll /students/dfoote1/bin/datafiles/*.*[fu]*
-rwx------ 1 dfoote1 students 2401 Sep 17 17:45 /students/dfoote1/bin/datafiles/famous.backup
lrwxrwxrwx 1 dfoote1 students   33 Sep 17 17:40 /students/dfoote1/bin/datafiles/famous.soft -> /students/dfoote1/bin/famous.data

Which of the following statements is true?

a. Due to the strength of covalent bonds, the tertiary structures of most proteins are stabilized by one or more disulfide bridges.

b. Salt bridging interactions usually provide the greatest degree of stabilization of the native conformation of the protein when they are located on surfaces exposed to water.

c. Ramachandran plots are used in determining the hydrophobicity of amino acid side chains in a protein.

d. Detergents cause the denaturation of proteins primarily via disruption of hydrophobic interactions between amino acid side chains.

e. All of the above statements are true.

Is the following the correct order of steps leading to muscle contraction? (Yes or No)

If you think the order is incorrect, then what would be the correct order?

a. secretion of acetylcholine by the motor neuron

b. attachment of acetylcholine to receptors on the motor end plate of the sarcolemma

c. opening of sodium channels in the sarcolemma

d. depolarization of the sarcolemma

e. action potential reaching the sarcoplasmic reticulum

f.   release of calcium ions by the sarcoplasmic reticulum

g. binding of calcium ions to troponin on the thin filament

h. binding of myosin to actin (formation of cross bridges)

i.   power stroke

When the U.S. Government proposes a fiscal stimulus package during a recession there is usually a debate in Congress as to whether the Government should: 1) increase spending directly such as building bridges and schools; or 2) reduce personal income taxes. Using the concepts of U.S. GDP accounting based on the expenditure approach: (p. 749 ch 30)

1. Explain why each of the two options would have a different initial impact on U.S. GDP
2. How could the positive expenditure impact on U.S. GDP from the actual spending stimulated by the fiscal package diminished?

Question 1

In each of the following situations, identify the population and the sample

(i).There are 50 books in statistics in our library which contains a collection of 5,000 books.

(ii).About 20% of the stones heaped on the building site are round in shape.

(iii).The dream that there will be more female than male politicians in Ghana will never be realized

(iv) About 10% of pregnant mothers reporting to hospitals are infected with HIV virus.

(v) Since the last major earthquake in 1939, there have been 60 earth tremors in Ghana, with 20 these occurring over the past 5 years.

Question 2

In each of the following situations, identify the scale(s) of measurement that is appropriate for each situation.

(i) A visiting school inspector asked a class teacher to rank the thirty students in her class on “level of discipline”, with 1 standing for the least disciplined student and 30 standing for the most disciplined student.

(ii)   Identical twins living in different environments are being compared to find out the influence of the environment on their academic performance. A standard test on academic performance is giving to fifty (50) sets of identical twins and their performance graded over 100.

(iii) “Regular” students and students admitted under the distance learning programme into Accra Institute of Technology are administrated a questionnaire measuring “level of maturity” of the students, with scores on “level of maturity” ranging from 0 to 1

(iv) One thousand students in a statistics class are asked to rate their lecturer on teaching effectiveness at the end of the semester, where rating scores on teaching effectiveness can possibly range between 10 and 50.

(v) A relationship is to be established between “Campus of Study” and “Academic Performance” among Accra Institute of Technology students at KCC campus and Seaview campus based on their final grade point average (FGPA), classified as “Good” (FGPA of 3.2 or better), “Average” (FGPA of 2.5 to 3.19) or “Poor” (FGPA below 2.5). Five hundred (500) and 100 students are sampled from KCC campus and Seaview campus respectively. Out of the 500 students sampled from KCC campus, 200 were classified as “Good” as “Average” and the rest as “Poor”. Out of the 100 students sampled from Seaview campus, 30 were classified as “Good”, 40 as “Average”, and the rest as “Poor”.

Question 3

There are three insurance companies in the Business District in Accra. It is known from previous records   that each year, 2 percent, 5 percent and 3 percent of those insured by Vanguard Insurance, Enterprise Insurance and Star insurance respectively submit claims. 20 percent of the people in the community have an insurance policy with Vanguard Insurance Company, 30 percent with Enterprise Insurance Company and 50 percent with Star Insurance Company.   

(i) What is the probability that a randomly selected insurance policyholder in the community did a claim in a certain year?    

(ii) If a randomly selected policy holder in the community is found to have made a claim in a certain year, what is the probability that, that person is insured with Vanguard Insurance?

(iii) If a randomly selected policy holder in the community is found to have made a claim in a certain year, what is the probability that, that person is insured with Enterprise Insurance?           

Question 4

Using practical examples from the field of statistics, determine the following variables you expect to have a normal or nearly normal distribution. Illustrate by discussing and explaining possible reasons for your answer.

a. Scores on a very easy test

b. Shoe sizes of a random sample of adult women

c. The number of apples in each of 100 full bushel baskets

This code works fine. In java, can you:

change the variable and method names to make logical sense

add method header comments to describe what the method does and what the params/returns are

add a class header comment to describe what the code does

import java.util.Arrays;
import java.util.Scanner;
public class MethodLibrary {
public static void main(String args[]) {
System.out.println("MethodLibrary");

System.out.println("Example use of methods");
int[] smallNums1 = {2, 1, 7, 4, 3};
display("display:", smallNums1);

char [] characters = {'a','b','c','d','e','f'};
first( characters, 2);
System.out.print("after first: ");
System.out.println(characters);

int[] bigNums = {1234, 20001, 3764, 20947, 9099};
System.out.println("after second: " + second(bigNums));

int[] smallNums2 = { 8, 7, 3, 4, 5, 0, 1};
third(smallNums2, true);
System.out.println("after third: " + Arrays.toString(smallNums2));

Scanner i = new Scanner("-5 0 error 25 happy 20 14 end");
int r = fourth( i, "Enter a number between 1 and 20, inclusive", 1, 20);
}

/**
* This method prints the description followed by the contents of list.
* The list begins with '[', ends with ']' and each element is separated
* with ', '.
* Example: display( "a description", new int[]{1,2,3})
* a description [1, 2, 3]
* @param description The text printed out before the list of integers.
* @param list The array of integers to be printed.
*/
public static void display(String description, int[] list) {
System.out.print(description);
System.out.print(" [");
for (int i = 0; i < list.length; i++) {
if (i > 0) {
System.out.print(", ");
}
System.out.print(list[i]);
}
System.out.println("]");
}

public static void first(char[] r, int b) {
for (int i = 0 ; i < b; i++)
{ char s = r[r.length - 1];
for (int j = r.length - 1; j > 0; j--) {r[j] = r[j - 1]; }
r[0] = s; }
}

public static int second(int[] z) {
int g; g = z[0];
for (int i = 0; i < z.length; i++) { if ( z[i] > g) { g = z[i]; } }
return g;
}

public static void third(int[] t, boolean stl) {
int m;
for (int i = 0; i < t.length; i++) {
for (int j = i + 1; j < t.length; j++) {
if (stl) { if (t[i] > t[j]) { m = t[i]; t[i] = t[j]; t[j] = m;}
} else {if (t[i] < t[j]) {
m = t[i]; t[i] = t[j]; t[j] = m;
}
}
}
}
}

public static int fourth(Scanner a, String b, int c, int d) {
System.out.println(b); boolean v = false; int r = 0;
do {if (a.hasNextInt()) { r = a.nextInt();
if (r >= c && r <= d) { v = true;
} else {System.out.println("Value must be between " + c + " and " + d + ".");
}
} else { a.next(); } } while (!v); return r;
}
}