P/s: i don't understand the question so i solve the question in 3 ways, you can choose 1 to answer.
Ok done. Thank to me :>
Which expressions are equivalent to 5+(-3)(6x-5)5+(−3)(6x−5)5, plus, left parenthesis, minus, 3, right parenthesis, left parenth
1 answer:
You might be interested in
<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.