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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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escoba escoba
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6 years ago
Scores on the final exam in Math 160 have a mean of 73 and standard deviation of 7.8. A final exam in Math 160 has a mean of 73 with standard deviation 7.8.
 
  If 24 students are randomly selected, find the probability that the mean of their test scores is less than 76.
  A) 0.0301 B) 0.9203 C) 0.9699 D) 0.8962
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KojicoKojico
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6 years ago
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escoba Author
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6 years ago
Thanks for your help!!
Lourd Jenkins
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
nadiia
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2 hours ago
Just got PERFECT on my quiz
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