Answer:
92.79% probability that the mean clock life would be greater than 15.1 years.
Step-by-step explanation:
Answer:
a) x = 1.52
b) s = 1.16
Step-by-step explanation:
We have that:
5 students watched 0 movies.
9 students watched 1 movie.
5 students watched 2 movies.
5 students watched 3 movies.
1 student watched 4 movies.
(a) Find the sample mean x.
Sum divided by the number of students. So

(b) Find the approximate sample standard deviation, s.
Standard deviation of the sample.
Square root of the sum of the squares of the values subtracted from the mean, divided by the sample size subtracted by 1. So


The discriminant of this equation is
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<em />I hope this helped! :)) Have a blessed day
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What you need to do is divide the 264 by the minutes (3) to get 88 bpm, so i would say c.
No, 17.39% were raised in Minnesota.
You can find this by dividing 40,000,000 by 230,000,000 and then converting to a percent by multiplying by 100.
40,000,000/230,000,000=.1739
.1739 x 100= 17.39%