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A horticulturist knows that the weights of honeybees that have previously visited her orchard are normally distributed with a mean of 0.87 grams, and a

A horticulturist knows that the weights of honeybees that have previously visited her orchard are normally distributed with a mean of 0.87 grams, and a population standard deviation of 0.15 grams. She thinks that the honeybees this year seem to be larger than in the past, so she collects 50 of them and weighs them to make sure. She gets a sample mean of 0.91 grams. Use alpha = 0.05.

Test statistic = ?

P = ?

Are the honeybees larger this year ?

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