Consider the two confidence intervals for μ, the true average (i. e., population mean) resonance frequency (measured in hz) for all tennis rackets of a certain type: (114.4, 115.6) (114.1, 115.9)(a) what is the value of the sample mean resonance frequency? (b) both intervals were calculated from the same sample data. the confidence level for one interval is 90%; the confidence level for the other interval is 99%. which interval is the 90% confidence level, and why?

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)

168

step-by-step explanation:

first off, we know that he drove 3.5 hours at a rate of 48 mph.

knowing that, we want to see how many miles he drove all-together.

in this case, we can just multiply 48 by 3.5.

48 * 3.5 = 168

replace   with   27   and simplify.

10 , 27 , 10 , 70 , 10 , 35 , 10 , 48

step-by-step explanation:

the answer is b.

64

step-by-step explanation:

c=2πr=2·π·8≈64