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Let's try putting the CLT (Central Limit Theorem) to practice. In a study of bumblebee bats,...

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Statistics

Let's try putting the CLT (Central Limit Theorem) to practice.In a study of bumblebee bats, one of the world’s smallest mammals,the weights have a mean of 2.0 grams and a standard deviation of0.25 gram.

a) Find the probability that a randomly selected bat from thestudy weights more than 2.3 grams.

b) A random sample of 7 bumblebee bats is selected from thestudy. Find the probability that the mean weight of the sample ismore than 2.3 grams.

c) A random sample of 40 bumblebee bats is selected from thestudy. Find the probability that the mean weight of the sample ismore than 2.3 grams.

Answer & Explanation Solved by verified expert
3.7 Ratings (535 Votes)
Part aP X 23 1 P X 23 Standardizing the valueZ 23 2 025Z 12P    See Answer
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