if you just multiply 12.6 by 0.25 = 3.15
12.6× 0.25
Answer:
100.5 inches approximately
Step-by-step explanation:
2πr = circumference
r=16
3.14*16*2=100.48
Answer: . a. 36.08 to 78.80
Step-by-step explanation:
The confidence interval for population standard deviation is given by :-

Given : Sample size = 
Significance level : 
Using the chi-square distribution table , the critical values would be :-


Then , a 99% confidence interval for the population standard deviation will be :-

Answer:
s <= 75 , B
Step-by-step explanation:
Explanation:
The graph shown is all numbers that are under 75 and including 75. Therefore it should be s is less than and equal to 75
Equation
s <= 75 , B
Answer 111
Step-by-step explanation: