Answer: (141.1, 156.48)
Step-by-step explanation:
Given sample statistics : 


a) We know that the best point estimate of the population mean is the sample mean.
Therefore, the best point estimate of the mean weight of all women = 
b) The confidence interval for the population mean is given by :-
, where E is the margin of error.
Formula for Margin of error :-

Given : Significance level : 
Critical value : 
Margin of error : 
Now, the 90% confidence interval for the population mean will be :-

Hence, the 90% confidence interval estimate of the mean weight of all women= (141.1, 156.48)
Answer: I say ethier B or D i'm not sure caus i can't figure witch but i think this
Step-by-step explanation:
Answer:
Hey there the answer is 370
Step-by-step explanation:
Answer:
Option A) 32c
Step-by-step explanation:
we know that
To find the unit cost, divide the total cost of twelve pounds by twelve pounds
so

Remember that
1$=100 cents
Convert dollars to cents

therefore
The cost of one pound of nails cost 32 cents
Answer: 60
Step-by-step explanation:
The blank space can be filled with 60, as this is a simple problem of distributive property