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3 years ago

Please do this NOOWWWW

Mathematics

2 answers:

Fofino [41]3 years ago

8 0

Answer:

1. x>3

2. x≤−48

3. x<−3

4. x > $99.39

5. She will pay more than $99.39 per night

6. w≥200

Step-by-step explanation:

each picture is in order

shepuryov [24]3 years ago

5 0

1. x>3

2. x≤−48

3. x<−3

4. x > $99.39

5. She will pay more than $99.39 per night

6. w≥200 is th correct answer

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Step-by-step explanation:

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Isabella averages 152 points per bowling game with a standard deviation of 14.5 points. Suppose Isabella's points per bowling ga

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The z-score when x=187 is 2.41. The mean is 187. This z-score tells you that x = 187 is 2.41 standard deviations above the mean.

Step-by-step explanation:

Problems of normally distributed samples are solved using the z-score formula.

In a set with mean $\mu$ and standard deviation $\sigma$ , the zscore of a measure X is given by:

$Z = \frac{X - \mu}{\sigma}$

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question:

$\mu = 152, \sigma = 14.5$

The z-score when x=187 is ...

$Z = \frac{X - \mu}{\sigma}$

$Z = \frac{187 - 152}{14.5}$

$Z = 2.41$

The z-score when x=187 is 2.41. The mean is 187. This z-score tells you that x = 187 is 2.41 standard deviations above the mean.

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