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Imagine that a sample of 400 rental units shows that (i) the distribution of rents paid per month is not described by a normal distribution,
(ii) that the mean rent of the sample is $755, and (iii) the standard deviation of the sample is $100.
a) Without seeing the distribution, can you calculate the probability that the rent of a randomly selected unit will be greater than $800? If yes, calculate the probability; if no, explain.
b) Without seeing the distribution, can you calculate the probability that the mean rent of another sample of 400 units will be greater than $800? If yes, calculate the probability; if no, explain.
c) Why is the answer to (b) only an estimate? (What two numbers about the entire population are you not sure of?)
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In reguards to the airlines indusry, provide a minimum of 300 words for each statement. plus atleast 3 academic resources. 1. hypothesis the basic short-run and long-run behavio
importance of time series analysis?
Statistical inference is that branch of statistics Statistical inference is that branch of statistics which is concerned with using probability concept to deal with uncertainty
Ask Suppose that the expected number of phone calls that are handel by a switchboard in each second is 5.35. Assume that the distribution of the number of phone calls per second fo
1. A sample from 16 different farms across Quebec shows that the hay production in bales per acre is normally distributed N(100,50). a. (2p )What is the probability that a random
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Read the article “Apple turns over entire inventory every five days.”1 It is not surprising that, the success of managing inventory can lead to the success of a firm’s operational
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