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The Number of Hours Per Week That High School Students

Question 27

Multiple Choice

The number of hours per week that high school students spend on homework is normally distributed,with a mean of 12 hours and a standard deviation of 3 hours.50 students are chosen at random.Let The number of hours per week that high school students spend on homework is normally distributed,with a mean of 12 hours and a standard deviation of 3 hours.50 students are chosen at random.Let Represent the mean number of hours spent on homework for this group.Find the probability that Is between 10.8 and 13.0. A) 0.0078 B) 0.286 C) 0.9886 D) 0.4711 E) 0.0143
Represent the mean number of hours spent on homework for this group.Find the probability that The number of hours per week that high school students spend on homework is normally distributed,with a mean of 12 hours and a standard deviation of 3 hours.50 students are chosen at random.Let Represent the mean number of hours spent on homework for this group.Find the probability that Is between 10.8 and 13.0. A) 0.0078 B) 0.286 C) 0.9886 D) 0.4711 E) 0.0143
Is between 10.8 and 13.0.


A) 0.0078
B) 0.286
C) 0.9886
D) 0.4711
E) 0.0143

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