Hello I really need help 30 points
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Mathematics, 21.06.2019 13:30
Answer the questions in the attachment. a rescue helicopter is at point a and a rescue boat is at point e. the helicopter pilot spots boats in distress at points d and c,with angles as marked in the diagram. figure abce is a rectangle. the altitude of the rescue helicopter, represented by ae, is 5000 feet.
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Mathematics, 22.06.2019 00:00
Can someone me with this graph problem by the way i need to know the answers by today since this assignment is due ! !
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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?
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Mathematics, 22.06.2019 00:00
Subtract and simplify. (-y^2 – 4y - 8) – (-4y^2 – 6y + 3) show how you got the answer if your answer is right i will mark you
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Mathematics, 21.10.2019 22:30
Mathematics, 21.10.2019 22:30
Biology, 21.10.2019 22:30
Social Studies, 21.10.2019 22:30
Mathematics, 21.10.2019 22:30
Mathematics, 21.10.2019 22:30
Physics, 21.10.2019 22:30
Chemistry, 21.10.2019 22:30