Answer: Not unusual.
Step-by-step explanation:
We know that the z-scores lower than -1.96 or higher than 1.96 are considered as unusual.
Given : Sample size : n= 65
Sample mean = 
Standard deviation : 
Formula for z-score : 
At x= 213

Since , -1.96< 0.17 <1.96
It means the probability of a sample mean being greater than 213 is not unusual.
Answer:
it only has 1 :).........
Product means when they are multiplied i.e. the product of 3 and 4 is 12
The product of 67 and 8 is:
= 67 * 8
= 536
Answer:
He needs 63 square meters of carpeting
Step-by-step explanation:
9 * 7 = 63