If the Area of a Triangle is 24 inches squared, and the Base measures 4 inches, what must be the height?
1 answer:
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Answer:
a) P=0.019
b) P=0.263
c) P=0.794
Step-by-step explanation:
We assume that the poll gives the population's proportion of respondents said that their jobs were sometimes or always stressful (p=0.8).
Then, a sample of size n=190 is taken.
The sample mean is:
The sample standard deviation is:
The probability that 140 or fewer workers find their jobs stressful is:
Note: a correction for continuity is applied.
The probability that more than 155 workers find their jobs stressful is
The probability that the number of workers who find their jobs stressful is between 145 and 158 inclusive is: