Treat the number of months X after January 1 that someone is born as uniformly distributed from 0 to 12. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - U( b. Suppose that 35 people are surveyed. What is the distribution of a for this sample? ī - N c. What is the probability that the average birth month of the 35 people will be more than 7.2?

Please do not use Excel to find the answers

The number of employees working for Fly Me to the Moon Airlines in 2005 was 16,633, with an expected decrease of 4.4%4.4% per year. At the rate of decrease given, what is the expected number of employees working at Fly Me to the Moon Airlines in 2006? Round your answer to the nearest integer.

Calculate the incidence rate of prostate cancer in this population A population of 200 healthy men was followed up for the development of prostate cancer. 10 men were followed-up for 1 year and were then lost to follow-up. After being followed-up for 5 years, 10 men developed prostate cancer. The remaining men who never developed prostate cancer were followed for 10 years.

Q9: please answer all the parts to this question with each answer clearly indicating which answer is for which part and please make sure to round to the right decimal places. Prednisone is a corticosteroid used to treat many inflammatory diseases such as asthma, ulcerative colitis, arthritis, or acne. However, prolonged use of the drug can cause patients to develop osteoporosis, low bone density. Recently a new drug, prednisolone has been developed that acts as anti-inflammatory with fewer side effects. To compare the drugs impact on bone density a study was done in which two groups of cats received equivalent doses of prednisone or prednisolone for an equivalent time period. At the end of the treatment period the bone density of both groups was measured. Each measurement represents an individual cat that was given either prednisone or prednisolone. Now the researchers want to use a t-test to see if the data show any differences between the treatments.     Ho: There is no difference in…

Suppose that we doubled everyone's original salary what will happen to the mean and sd

I need help with part b in the attached question. Please make sure to Round the x1^2​-coefficient to one decimal place as needed. Round all other constants and coefficients to the nearest integer as​ needed. Thanks