Suppose the mean height of Grade 11 male students in a certain school is 170 cm, and that the heights a distributed. The standard deviation of 4 cm. What is the probability that the mean height of a random sa students willI be between 168- 172 cm? O 0.9363 O 9544

A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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Suppose the mean height of Grade 11 male students in a certain school is 170 cm, and that the heights are normally
distributed. The standard deviation of 4 cm. What is the probability that the mean height of a random sample of 16
students will be between 168 - 172 cm?
0.9363
0.9544
0.9772
O 0.0228
Transcribed Image Text:Suppose the mean height of Grade 11 male students in a certain school is 170 cm, and that the heights are normally distributed. The standard deviation of 4 cm. What is the probability that the mean height of a random sample of 16 students will be between 168 - 172 cm? 0.9363 0.9544 0.9772 O 0.0228
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