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Nikitich [7]
3 years ago
7

The normal curve shown represents the sampling distribution of a sample mean for sample size n = 25, selected at random from a p

opulation with standard deviation \sigma_xσ x ​ . Which of the following is the best estimate of the standard deviation of the population, \sigma_xσ x ​ ?
Mathematics
1 answer:
Flura [38]3 years ago
6 0

Answer:15

Step-by-step explanation:

Increments along axis are by 15 with 150 in the center.. if you’re looking at the ap classroom graph

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Chandra will have 55 baseball cards

Step-by-step explanation:

Total baseball cards = 152

Let

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Chandra has 42 baseball cards less than Simon so Simon will have 42 cards more:

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Solving and finding value of p (Chandra's card)

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So, Chandra will have 55 baseball cards.

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