X is 2 because 96•45 is 2.1
<h2>
Answer with explanation:</h2>
As per given , we have


n= 64
a) Since , the sample mean is the point estimate for the population mean.
Therefore, the point estimate of the population mean =
b) Critical z-value for 99% confidence : 
Confidence interval :




Hence, the 99 percent confidence interval for the population mean is between 7.46 and 8.88.
Answer:
<u>1/4</u>
Step-by-step explanation:
if you take the fraction 3/12 and divide it by 3 on both sides, you get the remaining fraction 1/4
60*115/100=69
Retail price is 69
Multiply 198 by 3 or 4 and find he closest one