A population has a mean of 200 and a standard deviation of 50. Suppose a sample of
size 100 is selected and x is used to estimate m.
a. What is the probability that the sample mean will be within ±5 of the population
mean?
b. What is the probability that the sample mean will be within ±10 of the population
mean?
Answers: 2
Business, 22.06.2019 00:00
Which statement about the cost of the options is true? she would save $1,000 by choosing option b. she would save $5,650 by choosing option a. she would save $11,200 by choosing option b. she would save $11,300 by choosing option a.
Answers: 2
Business, 22.06.2019 06:20
At a small store, a customer enters the front door on average every 8 minutes. a prior study indicated that the time between customers entering the front door during weekdays follows an exponential distribution. what is the probability that the time between customers entering the store on a weekday will be less than or equal to 7? select one: a. 62 b. 43 c. 1/8 d. 7/8 e. 58
Answers: 1
Business, 22.06.2019 11:00
The following information is available for ellen's fashions, inc. for the current month. book balance end of month $ 7 comma 000 outstanding checks 700 deposits in transit 4 comma 500 service charges 120 interest revenue 45 what is the adjusted book balance on the bank reconciliation?
Answers: 2
A population has a mean of 200 and a standard deviation of 50. Suppose a sample of
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