Answer: a. The proportion of the population is between 20 and 30 =0.2356
b. The probability that a randomly chosen value will be between 30 and 40 =0.4680
Step-by-step explanation:
Given : Mean :
Standard deviation :
The formula to calculate z-score :-
For x= 20
For x= 30
For x= 40
a.
b.
88 + 88 + 48 + 48 + 66 + 66
404 sq ft
Can I get brainliest pls
Divide the number of dollars by the number of slices.
($5.25)/(3 slices) = $1.75/slice
Answer:
it will be 7
Step-by-step explanation:
Answer:
x = 7 1/2
Step-by-step explanation:
x + 2 1/2 = 10
subtract 2 1/2 from both sides of the equation:
x = 7 1/2