Answer:
+ + + + += + + + + +
Step-by-step explanation:
DUH
I mean I think I'm right
360 is the anwer because i multipled 40 white cars by 9 times yellow car to get answer 40×9=360
Answer:
121
Step-by-step explanation:
Given data as per the question
Standard deviation =
= 840
Margin of error = E = 150
Confidence level = c = 95%
For 95% confidence, z = 1.96
based on the above information, the minimum number of clients surveyed by the travel agent is


= 120.47
= 121
hence, the 121 number of clients to be surveyed
Therefore we applied the above formula to determine the minimum number of clients