4, 8, 12, 16, 20, 24, 28, 32, 36, 40 = 10 numbers that are multiple of 4
5, 10, 15, 20, 25, 30, 35, 40 = 8 numbers that are multiple of 5
10 + 8 = 18 total numbers are multiple of 4 or 5
Answer:
j - 21 = 58
Step-by-step explanation:
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Given
-- City C
--- City K
Required
Determine the 90% confidence interval
This is calculated using:
Calculating
For a 90% confidence level, the z-score is 1.65. So:
Calculating the standard deviation
So:
y=17/5 ,x= 38
-4+5y =13 add 4 both side
4-4+5y=13+4
5y=17
5y/5=17/5 y=17/5
x-5y=21
x-5(17/5)=21
x-17=21
x=21+17= 38