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loris [4]
1 year ago
10

A pet store has 10 puppies, including 4 poodles, 3 terriers and 3 retrievers. If Rebecca and Aaron in that order each select one

puppy at random with replacement (they may both select the same one) find the probability that they both select a poodle.
Mathematics
1 answer:
VikaD [51]1 year ago
5 0
4/20, 20% chance. The store has 20 puppies. Out of them is 4 poodles. Divide 4 by the total(20). And you get 0.2, remove the decimal place and add it in front of the 0 .02 reverse the numbers 20. Replace the period with a %.
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A small business ships specialty homemade candies to anywhere in the world. Past records indicate that the weight of orders is n
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Answer:

90% confidence interval for the true mean weight of orders is between a lower limit of 103.8645 grams and an upper limit of 116.1355 grams.

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Confidence interval for true mean weight is given as sample mean +/- margin of error (E)

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n = 16

degree of freedom = n - 1 = 16 - 1 = 15

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Lower limit of sample mean = sample mean - E = 110 - 6.1355 = 103.8645 g

Upper limit of sample mean = sample mean + E = 110 + 6.1355 = 116.1355 g

90% confidence interval is (103.8645, 116.1355)

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