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omeli [17]
3 years ago
13

Find the measure of angle A. 95° 14x + 1 A 14x

Mathematics
1 answer:
Olenka [21]3 years ago
6 0

Answer:

wow to hard for me to solve

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Please help me with this question
scZoUnD [109]
12 hours? If I'm wrong, sorry about that
3 0
3 years ago
Compare the rates to find which is the better value.<br> ​$60 for 100 flyers or ​$95 for 250 flyers
Elis [28]
95 is the better deal it’s only 35 more bucks and you get 150 more.
8 0
3 years ago
A random sample of 150 men found that 88 of the men excercise regularly, while a random sample 200 women found that 130 of the w
melamori03 [73]

Answer:

The hypothesis is:

<em>H₀</em>: p_{X}-p_{Y}=0.

<em>Hₐ</em>: p_{X}-p_{Y}.

Step-by-step explanation:

Let <em>X</em> = number of men who exercise regularly and <em>Y</em> = number of women who exercise regularly.

The information provided is:

n_{X}=150\\X=88\\n_{Y}=200\\Y=130

Compute the sample proportion of men and women who exercise regularly as follows:

\hat p_{X}=\frac{X}{n_{X}}=\frac{88}{150}=0.587

\hat p_{Y}=\frac{Y}{n_{Y}}=\frac{130}{200}=0.65

The random variable <em>X</em> follows a Binomial distribution with parameters <em>n</em> = 150 and \hat p_{X}=0.587.

The random variable <em>Y</em> also follows a Binomial distribution with parameters <em>n</em> = 200 and \hat p_{Y}=0.65.

According to the Central limit theorem, if from an unknown population large samples of sizes <em>n</em> > 30, are selected and the sample proportion for each sample is computed then the sampling distribution of sample proportion follows a Normal distribution.

The mean of this sampling distribution of sample proportion is:

\hat p=p

The standard deviation of this sampling distribution of sample proportion is:

\sigma_{\hat p}=\sqrt{\frac{\hat p(1-\hat p)}{n}}

So, the sampling distribution of the proportion of men and women who exercise regularly follows a Normal distribution.

A two proportion <em>z</em>-test cab be performed to determine whether the proportion of women is more than men who exercise regularly.

The hypothesis for this test cab be defined as:

<em>H₀</em>: The proportion of women is same as men who exercise regularly, i.e. p_{X}-p_{Y}=0.

<em>Hₐ</em>: The proportion of women is more than men who exercise regularly, i.e. p_{X}-p_{Y}.

6 0
3 years ago
Read 2 more answers
Please how is this solved please​
jek_recluse [69]

Answer:

63.4°

Step-by-step explanation:

Pole height = 1

shadow = 1/2

tan ∠CAB = 1 / (1/2) = 2

∠CAB = 63.4°

7 0
2 years ago
What’s the answer to this?
Serga [27]

Answer:47m

Step-by-step explanation:

8 0
1 year ago
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