The inside diameters of bearings used in an aircraft landing gear assembly are known to have a standard deviation of A random sample of 15 bearings has an average inside diameter of 8.2535 cm. (a) Test the hypothesis that the mean inside bearing diameter is 8.25 cm. Use a two-sided alternative and (b) Find the P-value for this test. (c) Construct a 95% two-sided confidence interval on the mean bearing diameter

Aswimming pool has an input pump for filling the pool and an output pump for emptying the pool. the input pump can fill the pool in 3 hours, and the output pump can drain the pool in 5 hours. as you go to bed, the pool is full, but a neighbor’s kid turns on the output pump. at midnight, you awake to find the pool half empty. immediately, you turn on the input pump, but you are sleepy and forget to turn off the output pump. at what time will the pool become full?

What is the value of x in the this question ?

1yd 1 ft = 1 1/12 1 1/3 1 1/2 1 1/6