Calls to a customer service center last on average 23, Ask an Expert

Statistics

Calls to a customer service center last on average 2.3 minutes with a standard deviation of 1.2 minutes. An operator in the call center is required to answer 97 calls each day. Assume the call times are independent. What is the expected total amount of time in minutes the operator will spend on the calls each day? Give an exact answer. Correct: Your answer is correct. What is the standard deviation of the total amount of time in minutes the operator will spend on the calls each day? Give your answer to four decimal places. 116.4000 Incorrect: Your answer is incorrect. What is the approximate probability that the total time spent on the calls will be greater than 234 minutes? Give your answer to four decimal places. Use the standard deviation as you entered it above to answer this question. Incorrect: Your answer is incorrect. What is the value c such that the approximate probability that the total time spent on the calls each day is less than c is 0.92? Give your answer to four decimal places. Use the standard deviation as you entered it above to answer this question.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91011618

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

A food safety guideline is that the mercury in fish should

A food safety guideline is that the mercury in fish should be below 1 part per million? (ppm). Listed below are the amounts of mercury? (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 9 ...

A spinner is divided into five equal sectors labeled 1

A spinner is divided into five equal sectors labeled 1 through 5. What is the probability of getting at most two prime numbers in three spins?

An investment costs 60096 and offers a return of 10 percent

An investment costs $60,096 and offers a return of 10 percent annually for ten years. What are the annual cash inflows anticipated from this investment? Use Appendix D to answer the question. Round your answer to the nea ...

Complete parts a and b using the probability distribution

Complete parts (a) and (b) using the probability distribution below. The number of overtime hours worked in one week per employee Overtime hours 0 1 2 3 4 5 6 Probability 0.016 0.063 0.178 0.283 0.220 0.173 0.067 Find t ...

One study based on responses from 1016 randomly selected

One? study, based on responses from 1,016 randomly selected? teenagers, concluded that 44?% of teenagers cite grades as their greatest source of pressure. Use a 0.05 significance level to test the claim that fewer than h ...

Te height of woman ages 20-29 is normally distributed

The height of woman ages 20-29 is normally distributed , with a mean of 64.3 inches. assuming the standard diviation = 2.4 inches. are you more likely to randomly select 1 woman with a height less than 66.2 inches or are ...

Show worksuppose you are thinking of purchasing the moore

Show Work Suppose you are thinking of purchasing the Moore Co.'s common stock today. If you expect Moore to pay $1.2, $1.26, $1.323, and $1.39 dividends at the end of year one, two, three, and four respectively and you b ...

Problem descriptionthe blockchain is a decentralized ledger

Problem Description: The blockchain is a decentralized ledger of all transactions across a peer-to-peer network. Using this technology, participants can confirm transactions without a need for a central clearing authorit ...

Consider a hypothesis testing problem where the null and

Consider a hypothesis testing problem where the null and the alternative hypotheses are defined as H0 μ=5 Vs. H1 :μ≠5 H0:μ=5 Vs. H1:μ≠5 A 95% confidence interval for μ was calculated as (2, 7). A) What would be your ...

A recent study reported that the prevalence of

A recent study reported that the prevalence of hyperlipidemia is 30% in children 2 to 6 years of age. If 12 children are analyzed what is the probability that at least 3 are hyperlipidemic?

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert