Why do banks pay you interest?
A. They want you to become rich
B. With their extra money, the...
Mathematics, 24.05.2021 16:40 kay4358
Why do banks pay you interest?
A. They want you to become rich
B. With their extra money, they want to make their customers happy
C. They are borrowing your money and rewarding you for keeping your money with them
D. If they find change on the ground, they add it to the account of whoever they think dropped it
Answers: 1
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Is the power produced directly proportional to the wind speed, give reasons for your answer?
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(20 points) a bank has been receiving complaints from real estate agents that their customers have been waiting too long for mortgage confirmations. the bank prides itself on its mortgage application process and decides to investigate the claims. the bank manager takes a random sample of 20 customers whose mortgage applications have been processed in the last 6 months and finds the following wait times (in days): 5, 7, 22, 4, 12, 9, 9, 14, 3, 6, 5, 15, 10, 17, 12, 10, 9, 4, 10, 13 assume that the random variable x measures the number of days a customer waits for mortgage processing at this bank, and assume that x is normally distributed. 2a. find the sample mean of this data (x ě…). 2b. find the sample variance of x. find the variance of x ě…. for (c), (d), and (e), use the appropriate t-distribution 2c. find the 90% confidence interval for the population mean (îľ). 2d. test the hypothesis that îľ is equal to 7 at the 95% confidence level. (should you do a one-tailed or two-tailed test here? ) 2e. what is the approximate p-value of this hypothesis?
Answers: 2
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