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Anastasy [175]
2 years ago
12

LOOK AT THE PICTURE!! I REALLY NEED HELP SOMEONE PLEASE HELP ME OUT

Mathematics
1 answer:
uysha [10]2 years ago
8 0

Answer: B

Step-by-step explanation: Hope this help :D

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You are asked to do a study of shelters for abused and battered women to determine the necessary capacity in your city to provid
ohaa [14]

Answer:

Using the normal probability distribution, with a capacity of 350, it is enough for all abused on 90.82% of nights.

274 shelters will be needed.

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 problem, we have that:

\mu = 250, \sigma = 75

If the city’s shelters have a capacity of 350, will that be enough places for abused women on 95% of all nights?

What is the percentile of 350?

This is the pvalue of Z when X = 350.

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

Z = \frac{250 - 150}{75}

Z = 1.33

Z = 1.33 has a pvalue of 0.9082.

Using the normal probability distribution, with a capacity of 350, it is enough for all abused on 90.82% of nights.

If not, what number of shelter openings will be needed?

The 95th percentile, which is X when Z = 1.645. So

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

1.645 = \frac{X - 150}{75}

X - 150 = 1.645*75

X = 274

274 shelters will be needed.

5 0
2 years ago
Explain how g is 62 degrees using angle theorem. Ex supplementary angle theorem, ASTT. Etc
bazaltina [42]

Answer:

The exterior angle is 35° + 62° = 97°

And 97° > 35°

And 97° > 62°

Step-by-step explanation:

6 0
3 years ago
At a county fair 9 people out of 1000 earned a perfect score in a carnival game what decimal represent the number of people who
coldgirl [10]
0.009 people because 9/1000 is 0.009<span />
5 0
3 years ago
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50% of the 60 shoe options at Baby Steps, a shoe store, are sneakers. How many of the
mote1985 [20]

Answer:

30

Step-by-step explanation:

Formulate:

50%×60

0.5×60

= 30

4 0
2 years ago
Hey guy's how yall day​
Fiesta28 [93]

Answer:

Its been good so far. My stomach hurts a little it but I ate a chocolate muffin and a UN-crust able so that's good

Step-by-step explanation:

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