Answer: 288/18+7x5
Step-by-step explanation:
Answer:
Step-by-step explanation:
The mean income for people in a certain city (in thousands of dollars) is 37 with standard deviation 80 (thousands of dollars). A pollster draws a sample of 45 people to interview.
A. What is the probability that the mean income of the sample people is more than 24 (thousands of dollars)?
B. What is the probability that the sample mean income is between 41 and 45?
C) Find the 80th percentile of the sample mean.
D) Would it be unusual for the sample mean to be less than 38?
E) Do you think it would be unusual for an individual to have an income of less than 38? Explain.
Answer:
Your average speed was 36.0 Miles per hour (mph)
Step-by-step explanation:
Divide -> 720 by 20
720/20=36.0
Exactly 8
To solve, either use long division or calculator
Well if the original population is 250 crickets after 6 months it would double to 500. After another 6 months (A year now) it would again double in size to 1000 and so on for 2 more periods of 6 months. After doubling two more times you get 4000, or answer D.
