7. A particle of rest energy 800 MeV decays in its rest frame into two identical particles of rest energy 250 MeV. What are the kinetic energies (in MeV), momenta (in MeV/c), and velocities (in units of c) of the daughter particles?

Write the Verilog Code for the module to multiply two 7-bit numbers using the array multiplie

Western Home Inspections is a home inspection service that provides prospective homebuyers with a thorough assessment of the major systems in a house prior to the execution of the purchase contract. Prospective homebuyers often ask the company for an estimate of the average monthly heating cost of the home during the winter. To answer this question, the company wants to build a regression model to help predict the average monthly heating cost (Y) as a function of the average outside temperature in the winter (X1), the amount of attic insulation in the house (X2), the age of the furnace in the house (X3), and the size of the house measured in square feet (X4). Data on 20 homes has been recorded and is shown in Worksheet A2. The company wants to build a regression model to estimate the average monthly heating cost based on outside temperature, attic insulation, age of the furnace, and size of the house

a) Prepare a scatter plot showing the relationship between the heating cost and each of the independent variables.

b) If the home inspector wanted to build a regression model using only one independent variable to predict heating cost, which variable should be used?

c) Why?

d) How do you use the value of Significance F in the model with only one independent variable?

e) If the home inspector wanted to build a regression model using two independent variable to predict heating cost, which variable should be added to the model?

f) Why?

g) If the home inspector wanted to build a regression model using three independent variable to predict heating cost, which variable should be added to the two variable model?

h) Why?

i) If the home inspector wanted to build a regression model using four independent variable to predict heating cost, which variable should be added to the three variable model?

j) Why?

k) How do you use the value of Significance F in the model with more than one independent variable?

l) Does there appear to be any multicollinearity among the independent variables?

m) How can you tell if you have multicollinearity?

n) Which sets of variables indicate multicollinearity

o) Based on your best model, what is the expected average monthly heating cost for a home which has an average outside temperature of 45, 8 inches of attic insulation, a 7 year old furnace, and is 2000 square foot

1. Two communication devices are using a single-bit even parity check for error detection. The transmitter sends the byte 10101010 and, because of channel noise,

1. the receiver gets the byte 10011010. Will the receiver detect the error? Why or why not?
2. the receiver gets the byte 10111010. Will the receiver detect the error? Why or why not?
3. Compute the Internet checksum for the data block E3 4F 23 96 44 27 99 D3. Then perform the verification calculation.

You have purchased 30 shares of Games Inc. for $ 15 and 120 shares of Thrones Co for 721. Over the following three quarters, the companies earned the returns below Quarter 1 Quarter 2 Quarter 3 Games Inc. 20% 46% 44% Thrones Co. -20% -39% -12% What was the buy-and-hold return on your portfolio? Provide your answer in percent, rounded to two decimals, omitting the % sign.

4. To determine the effectiveness of a proposed public relations campaign, the senior vice president for customer relations for an automobile manufacturer asked seven consumers how much they liked the company (on a scale from 0 [do not like] to 50 [like very much]) before and after viewing the primary television advertisement of the campaign. Use the following data to test whether the consumers’ ratings of the company increased, on average, after viewing the television advertisement:

a. State the null and alternative hypotheses associated with the test.
b. If α = 0.05, what is the critical value of the associated test statistic?
c. What is the calculated value of the associated test statistic?
d. State your decision about the null hypothesis by comparing the critical and calculated values of the test statistic (Parts b and c).
e. Comment on the effectiveness of the primary television advertisement of the campaign.

A total of 150 crimes were reported by the sheriff last year. Of the 150 crimes, 39 were committed by criminals under 20 years of age, 36 were committed by criminals over 40 and 82 were violent crimes. There were 27 violent crimes under the age of 20 and 14 violent criminals over the age of 40.

What is the probability that at least one out of four crimes is nonviolent? Please show work so I can understand how to get the answer

How many three​-digit numbers can be formed from the digits 0,1, 2, 3, 4, 5, 6, 7, and 8 if each digit can be used only​ once? I got this: 448

​How many are greater than 330​? <- I don't understand how to answer this.

I have looked up the answer and could probably figure it out, but please explain where the numbers you are multiplying are coming from. I want to learn how to answer this type of question on my own. I do not understand what numbers to multiply and why. I start with 5 because there are 5 digits for the hundreds place greater than 3, then multiply that by 8 for the remaining digits in the tens place. So I have 5*8, if that is correct then I just need the last number and to understand why that is the last number, and then I have to do the remaining numbers with the 3 in the hundreds place and get the sum.

Test the hypotheses that 1) systolic pressure [and 2) diastolic pressure, for practice] differs between men and women, with an α of 0.05 for both. What test would be most appropriate and why? Are the results significant? State your conclusions.

Write a C++ or Java program that reads an input graph data from a user. Then, it should present a path for the travelling salesman problem (TSP). In the assignment, you can assume that the maximum number ofvertices in the input graph is less than or equal to 20.

Input format: This is a sample input from a user.

The first line (= 4 in the example) indicates that there are four vertices in the graph. The next line (= 12 in the example) indicates the number of edges in the graph. The remaining 12 lines are the edge information with the “source vertex”, “destination vertex”, and “cost”. The last line (= 0 in the example) indicates the starting vertex of the travelling salesman problem. This is the graph with the input information provided.

Sample Run 0: Assume that the user typed the following lines

4

12

0 1 2

0 3 7

0 2 5

1 0 2

1 2 8

1 3 3

2 0 5

2 1 8

2 3 1

3 0 7

3 1 9

3 2 1

0

This is the correct output. Your program should present the path and total cost in separate lines.

Path:0->1->3->2->0

Cost:11

Sample Run 1: Assume that the user typed the following lines

5

6

0 2 7

3 1 20

0 4 3

1 0 8

2 4 100

3 0 19

3

This is the correct output.

Path:

Cost:-1

Note that if there is no path for the TSP, your program should present empty path and -1 cost.

Sample Run 2: Assume that the user typed the following lines

5

7

0 2 8

2 1 7

2 4 3

1 4 100

3 0 20

3 2 19

4 3 50

3

This is the correct output of your program.

Path:3->0->2->1->4->3

Cost:185

This is the directed graph of the input data:

[Hint]: To solve this problem, you can use all permutations of the vertices, except the starting vertex. For example, there are three vertices 1, 2, and 3, in the first sample run, except the starting vertex 0. This is all permutations with the three vertices

            1, 2, 3

            1, 3, 2

            2, 1, 3,

            2, 3, 1

            3, 1, 2

            3, 2, 1