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Answer:
The answer to your question is 64/100 and 65/100
Step-by-step explanation:
Data
Common denominator of 16/25 and 13/20
Process
1.- Find the least common factor of 25 and 20.
25 20 2
25 10 2
25 5 5
5 1 5
1
L.C.F. = 2 x 2 x 5 x 5 = 100
2.- Convert each fraction to the denominator 100
100 / 25 = 4
16/25 = (16 x 4) / 100
= 64/100
100 / 20 = 5
13/20 = (13 x 5)/100
= 65/100
Using a 1-sample z-interval for the population proportion with confidence level 0.997, the sample probability is 0.69 with margin of error of 0.16, so between 0.69+0.16=0.85 of the population and 0.69-0.16=0.53 of the population prefers coffee. 84% and 54% are the correct answers.
Answer:
70
Step-by-step explanation:
