Answer:
The answer is 14
Step-by-step explanation:
I used a calculator because when you grow older and have a phone, logically you will always have a calculator :)
Answer:
A. 1/4,389
B. 728/4,389
Step-by-step explanation:
Total number of flanges = 22
Defective flanges = 6
Non-defective flanges = 16
A. The probability that all in the sample are defective is given by:
The probability is 1/4,389.
B. The probability that none in the sample are defective is given by:
The probability is 728/4,389.
Answer:
υ= 25
Step-by-step explanation:
IF we have two small independent samples from two normal populations with means μ1 and μ2 and standard deviations σ1 and σ 2 but unknown ,then the unbiased pooled or combined estimate of the common variance sigma square ha s student's t distribution with degrees of freedom given by
υ= n1+ n2- 2
In the given question
Sample A size= n1= 12
Sample B size = n2= 15
υ= 12+15-2
υ= 25
where
sp²= (n1-1) s1² + (n2-1) s2² / n1+n2-2
Answer:
I really hope this helps!!
Answer:
93/100
Step-by-step explanation: