Question

In: Statistics and Probability

Exhibit 2-4 Michael's Compute-All, a national computer retailer, has kept a record of the number of...

Exhibit 2-4

Michael's Compute-All, a national computer retailer, has kept a record of the number of laptop computers they have sold for a period of 80 days. Their sales records are shown below:

Number of Laptops Sold

Number of Days

0 - 19

5

20 - 39

15

40 - 59

30

60 - 79

20

80 - 99

10

Total              80

   14.   Refer to Exhibit 2-4. The class width of the above distribution is

a.

0 to 100

b.

20

c.

80

d.

5

          

   15.   Refer to Exhibit 2-4. The lower limit of the first class is

a.

5

b.

80

c.

0

d.

20

   16.   Refer to Exhibit 2-4. If one develops a cumulative frequency distribution for the above data, the last class will have a frequency of

a.

10

b.

100

c.

0 to 100

d.

80

          

   17.   Refer to Exhibit 2-4. The percentage of days in which the company sold at least 40 laptops is

a.

37.5%

b.

62.5%

c.

90.0%

d.

75.0%

          

   18.   Refer to Exhibit 2-4. The number of days in which the company sold less than 60 laptops is

a.

20

b.

30

c.

50

d.

60

Solutions

Expert Solution

Answer---->>


Related Solutions

A national computer retailer believes that the average sales are greater for salespersons with a college...
A national computer retailer believes that the average sales are greater for salespersons with a college degree. A random sample of 14 salespersons with a degree had an average weekly sale of $3542 last year, while 17 salespersons without a college degree averaged $3301 in weekly sales. The standard deviations were $468 and $642 respectively. Is there evidence to support the retailer’s belief? a. This is a: z-test for one proportion t-test for the mean t-test for matched pairs z-test...
Exhibit: Checking Accounts. A bank has kept records of the checking balances of its customers and...
Exhibit: Checking Accounts. A bank has kept records of the checking balances of its customers and determined that the average daily balance of its customers is $300 with a standard deviation of $56. A random sample of 200 checking accounts is selected. You are interested in calculating the following probabilities below. For all answers below, do not round intermediate steps if any and round your final solution to 4 decimal places. (1)Assuming that the population of the checking account balances...
Exhibit 5-4 A local bottling company has determined the number of machine breakdowns per month and...
Exhibit 5-4 A local bottling company has determined the number of machine breakdowns per month and their respective probabilities as shown below. Number of Breakdowns Probability 0 0.12 1 0.38 2 0.25 3 0.18 4 0.07 Refer to Exhibit 5-4. The expected number of machine breakdowns per month is? 2. The probability of at least 3 breakdowns in a month is 3. The probability of no breakdowns in a month is 4.The expected number of new clients per month is...
Consider the data for Ryan Company in Exhibit 12-15. Assume all sales are on credit. Compute...
Consider the data for Ryan Company in Exhibit 12-15. Assume all sales are on credit. Compute the following ration for the year 20X2 and 20X3. Percentage of the net income to stockholders’ equity (ROE) Gros profit rate Percent of net income to sales Ratio of total debt to stockholders’ equity (define total debt as total liabilities) Inventory turnover Current ratio Average collection period for account receivable.                                                                                                                                               December 31                                                                                                                            20X3        20X2          20X1 Cash                                                                                                                  $ 30         $ 25            $ 20...
A computer selects a number XX from 4 to 9 randomly and uniformly. Round all answers...
A computer selects a number XX from 4 to 9 randomly and uniformly. Round all answers to 4 decimal places where possible. What is the distribution of XX? XX ~ U(,) Suppose that the computer randomly picks 36 such numbers. What is the distribution of ¯xx¯ for this selection of numbers. ¯xx¯ ~ N(,) What is the probability that the average of 36 numbers will be less than 6?
The manager of a music store has kept records of the number of CDs bought in...
The manager of a music store has kept records of the number of CDs bought in a single transaction by customers who make a purchase at the store. The accompanying table gives six possible outcomes and the estimated probability associated with each of these outcomes for the chance experiment that consists of observing the number of CDs purchased by a randomly selected customer at the store. Number of CDs purchased 1 2 3 4 5 6 or more Estimated probability...
See Exhibit 12-4 for opening account balances. Record the following financial transactions for Simonsen Village for...
See Exhibit 12-4 for opening account balances. Record the following financial transactions for Simonsen Village for the fiscal year ending December 31, 2018. Show the impact of the transactions on the fundamental equation of accounting (optional: show journal entries—see Appendix 12-A). Assume that the modified accrual basis is used. 1. Simonsen Village has employees who earned $400,000 for the year. At the end of the year, the salaries payable balance was $10,000. Note that $200,000 of wages related to general...
Three-Day Diet Record and Computer Analysis Recording Your Diet 1. Record all the food and liquids...
Three-Day Diet Record and Computer Analysis Recording Your Diet 1. Record all the food and liquids you consume during a 3 day (72 hour) period. To eliminate forgetting something, write it down as soon as you are consuming it. You can use a tablet, notes app on your phone, anything that works for you. 2. It is best to select 2 weekdays and 1 weekend day to record since often a person's diet differs on the weekend from the rest...
Part A: Compute the derivative of ?(?)=(4?^4 + 2?)(?+9)(?−6) Part B: Compute the derivative of ?(?)=...
Part A: Compute the derivative of ?(?)=(4?^4 + 2?)(?+9)(?−6) Part B: Compute the derivative of ?(?)= (9x^2 + 8x +8)(4x^4 + (6/x^2))/x^3 + 8 Part C: Compute the derivative of ?(?)=(15?+3)(17?+13)/(6?+8)(3?+11).
A drug rehabilitation center has kept records of the number of days that their former patients...
A drug rehabilitation center has kept records of the number of days that their former patients have remained drug free. Compute the range, mean, variance, and the standard deviation. 88 93 65 77 77 106 123 139 142 190 97 143 88 Use this information to answers questions #4 - #6. Flag this Question Question 4 What is the sample mean? (round to the thousandths) Flag this Question Question 5 What is the standard deviation? (round to the thousandths) Question...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT