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Find the probability that mean body temperature will be

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Problem 1: The scores on a certain test are normally distributed with a mean score of 43 and a standard deviation of 3. What is the probability that a sample of 90 students will have a mean score of at least 43.3162?

Option 1: 0.8413

Option 2: 0.1587

Option 3: 0.3174

Option 4: 0.3413

Problem 2: Human body temperatures are normally distributed with a mean of 98.20°F and a standard deviation of 0.62°F. If 19 people are randomly selected, find the probability that their mean body temperature will be less than 98.50°F.

Option 1: 0.0833

Option 2: 0.9826

Option 3: 0.4826

Option 4: 0.3343

Reference no: EM132723018

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