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trapecia [35]
3 years ago
13

Will give brainliest

Mathematics
2 answers:
Rashid [163]3 years ago
5 0

Answer:

thanks for the points ily

irinina [24]3 years ago
4 0

Answer:

let settlers freely practice their religions

Step-by-step explanation:

You might be interested in
Assume that females have pulse rates that are normally distributed with a mean of beats per minute and a standard deviation of b
snow_tiger [21]

Answer:

a) This is the p-value of Z when X = A subtracted by the p-value of Z when X = B.

b) P-value of Z when X = 76 subtracted by the p-value of X = 68.

c) Because the underlying distribution(pulse rates of females) is normal.

Step-by-step explanation:

Normal Probability Distribution:

Problems of normal distributions can be solved using the z-score formula.

In a set with mean \mu and standard deviation \sigma, the z-score 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 p-value, we get the probability that the value of the measure is greater than X.

Central Limit Theorem

The Central Limit Theorem establishes that, for a normally distributed random variable X, with mean \mu and standard deviation \sigma, the sampling distribution of the sample means with size n can be approximated to a normal distribution with mean \mu and standard deviation s = \frac{\sigma}{\sqrt{n}}.

For a skewed variable, the Central Limit Theorem can also be applied, as long as n is at least 30.

In this question:

Mean \mu, standard deviation \sigma.

standard deviation of beats per minute.

a. If 1 adult female is randomly​ selected, find the probability that her pulse rate is between A beats per minute and B beats per minute.

This is the p-value of Z when X = A subtracted by the p-value of Z when X = B.

b. If 4 adult females are selected, find the probability that they have pulse rates with a mean between 68 beats per minute and 76 beats per minute.

Sample of 4 means that we have n = 4, s = \frac{\sigma}{\sqrt{4}} = 0.5\sigma

The formula for the z-score is:

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

Z = \frac{X - \mu}{0.5\sigma}

Z = 2\frac{X - \mu}{\sigma}

This probability is the p-value of Z when X = 76 subtracted by the p-value of X = 68.

c. Why can the normal distribution be used in heartbeat even the sample side does not exceed 30?

Because the underlying distribution(pulse rates of females) is normal.

3 0
2 years ago
You can drive 512 miles on one tank of gas if you have 16 gallons of tank how many miles can you drive in 1 gallon of gas
tino4ka555 [31]
In order to find how many miles you multiply 512 by 16

Your answer is 8192 miles


Hope this helps :D
4 0
3 years ago
Helpssssssssssssssssssssssssssssssssssssssssssssssssssssss
dlinn [17]
He can only make 2!
Explanation: 7 can only go into 17 twice

Hope this helps!:)
5 0
2 years ago
An object moves 100 m in 4 s and then remains at rest for an additional 1 s.
nydimaria [60]

Answer:

20 m per second

Step-by-step explanation:

100 / 5 = 20

8 0
2 years ago
What is the domain and range of 4n/n-5 -2?
nlexa [21]

Answer:

Domain: (-∞, 5)∪ (5, ∞)

Range: (-∞, 2)∪ (2, ∞)

7 0
2 years ago
Read 2 more answers
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