Mathematics, 19.03.2020 06:29, 10040813
Natalie paid $14.99 to join an online music service if she purchases non-songs each month at a cost of $.99 per song what will be the total amount she has been after five months
Answers: 2
Mathematics, 21.06.2019 16:00, alannismichelle9
In the diagram, the ratio of ab to ae is (1/2) . what is the ratio of the length of to the length of ?
Answers: 3
Mathematics, 21.06.2019 19:30, allicat133
Awater holding tank measures 105 m long, 50 m wide, and 8 m deep. traces of mercury have been found in the tank, with a concen- tration of 60 mg/l. what is the total mass of mercury in the tank? answer in units of kg.
Answers: 1
Mathematics, 22.06.2019 00:00, bri9263
(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
Natalie paid $14.99 to join an online music service if she purchases non-songs each month at a cost...
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