Mathematics, 04.02.2020 04:03 shanilafaridor97hl
Joe has finished 14 of the 30 lessons in his piano book. lindsey has finished the same percent of lessons from her piano book, but her book contains 45 lessons. how many lessons has lindsey finished?
Answers: 1
Mathematics, 21.06.2019 14:00
Acompany is testing in comparing to lightbulb designs the box plot shows the number of hours that each lightbulb design last before burning out which statement is best supported by the information of the plot
Answers: 3
Mathematics, 21.06.2019 14:50
Question 101 points)which equation in slope-intercept form represents the line that passes through (5, 1) and(-4,7)
Answers: 1
Mathematics, 22.06.2019 00:00
(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
Mathematics, 22.06.2019 05:00
Q1 how many whole numbers less than 1000 can be written as a product of 3 consecutive whole numbers? a)10 b)11 c)15 d)21 q2 how many whole numbers between 5000 and 6000 consist of four different digits that decrease from left to right? a)3 b)10 c)69 d)120
Answers: 1
Joe has finished 14 of the 30 lessons in his piano book. lindsey has finished the same percent of le...
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