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Leni [432]
3 years ago
14

Help ASAP please! ill mark brainliest

Mathematics
1 answer:
Vladimir [108]3 years ago
5 0

Answer:

The third one

Step-by-step explanation:

To find the middle you have to put the numbers from least to greatest. You have 27 and 31, add them together you get 58. Now you divide 58 into 2 and answer is 29. (This one is to figure out the median)

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Answer:

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Step-by-step explanation:

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Anika [276]

Answer:

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Step-by-step explanation:

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The random variable <em>X</em> is Normally distributed with mean, <em>μ</em> = 46.8 km/h and standard deviation, <em>σ</em> = 1.75 km/h.

To compute the probability of a Normally distributed random variable we first need to convert the raw score of the random variable to a standardized or <em>z</em>-score.

The formula to convert <em>X</em> into <em>z</em>-score is:

z=\frac{X-\mu}{\sigma}

Compute the probability that the maximum speed is at most 49 km/h as follows:

Apply continuity correction:

P (X ≤ 49) = P (X < 49 - 0.50)

                = P (X < 48.50)

                =P(\frac{X-\mu}{\sigma}

*Use a <em>z</em>-table for the probability.

Thus, the probability that the maximum speed is at most 49 km/h is 0.8340.

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4 years ago
Estimate then find the sum 324967+6233
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sum: 331,200
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