What's the answer to question c in the graph below
2 answers:
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Answer:
Step-by-step explanation:
Given that sample size = n=45
mu = 64 and sigma =14
a) Sample mean will follow a normal distribution irrespective of the original distributions provided
i) samples are randomly drawn
ii) samples represent the population
iii) Sample size is sufficiently large
b) Here we have sample std dev=
c)
67 percent of 8.7
Divide by 100 on both sides to isolate the x
Round up (to the nearest tenth place and whole number)
Divide by 100 on both sides to isolate the x
Round up (to the nearest tenth place and whole number)