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Rom4ik [11]
3 years ago
10

It is believed that as many as 25% of adults over 50 never graduated from high school.We wish to see if this percentage is the s

ame among the 25 to 30 age group.How many of this younger age group must we survey in order to estimate the proportion of non-grads to within 6% with 90% confidence.
Mathematics
1 answer:
leva [86]3 years ago
6 0

Answer:

n=141

Step-by-step explanation:

I hope it help.

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