Answer: (24755, 25245)
Step-by-step explanation:
Given : Sample size : n= 400
Sample mean : 
Standard deviation : 
Significance level : 
Critical value : 
The confidence interval for population mean is given by :-

Hence, the 95% confidence interval for the mean salary of all graduates from the English department is (24755, 25245)
Step-by-step explanation:
The gcf of 30 and 45 is 15.
The Lcm of 3 and 8 is: 24
I think it's called the fulcrum. <span>The fulcrum is a pivot </span>point<span>.
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Answer:
the first one is correct
Step-by-step explanation: