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disa [49]
3 years ago
12

I dont really want to fail this test again. Please give it your best try

Mathematics
2 answers:
castortr0y [4]3 years ago
8 0

Answer:

A) One set of data has more variation than the other.

Step-by-step explanation:

did the test

:

o-na [289]3 years ago
7 0

Answer:

A

Step-by-step explanation:

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The stock price for International Business Machines (IBM) historically has followed an approximately normal distribution (when a
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Answer:

0.494 is the probability that on a selected day the stock price is between $186.26 and $192.47.

Step-by-step explanation:

We are given the following information in the question:

Mean, μ = $188.876

Standard Deviation, σ = $4.6412

We are given that the distribution of stock price is a bell shaped distribution that is a normal distribution.

Formula:

z_{score} = \displaystyle\frac{x-\mu}{\sigma}

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P(186.26 \leq x \leq 192.47) = P(\displaystyle\frac{186.26 - 188.876}{4.6412} \leq z \leq \displaystyle\frac{192.47-188.876}{4.6412}) = P(-0.5636 \leq z \leq 0.7743)\\\\= P(z \leq 0.7743) - P(z < -0.5636)\\= 0.781 - 0.287 = 0.494 = 49.4\%

P(186.26 \leq x \leq 192.47) = 49.4\%

0.494 is the probability that on a selected day the stock price is between $186.26 and $192.47.

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3 years ago
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