Answer:
58 miles per hour
Step-by-step explanation:
leave a heart please :D
Answer:
Step-by-step explanation:
Answer: a) 84 and b ) 2084
Step-by-step explanation:
Given : Sample standard deviation : s= $22.82
(Population standard deviation is unknown ) , so we use t-test.
Critical value or the 95% confidence intervals :
Formula to find the sample size :

a) E = 5


i.e. Required sample size : n= 84
b) E = 1


i.e. Required sample size : n= 2084
Answer:
Theta=1.57rad, 4.71rad, 0rad, 2π rad, π rad and –π rad