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anzhelika [568]
3 years ago
15

Uhm yeah can i get a brain dump momment

Mathematics
2 answers:
statuscvo [17]3 years ago
6 0

Answer:

A-5

Step-by-step explanation:

35 has the common factors of 1, 5, 7, and 35 and 5 has the common factors are 1 and 5, and the greatest is 5, so the answer is 5.

luda_lava [24]3 years ago
5 0

Answer: 5 the gcf is 5

Step-by-step explanation:

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Suppose we have a population whose proportion of items with the desired attribute is p = 0:5. (a) If a sample of size 200 is tak
crimeas [40]

Answer:

a. If a sample of size 200 is taken, the probability that the proportion of successes in the sample will be between 0.47 and 0.51 is 41.26%.

b. If a sample of size 100 is taken, the probability that the proportion of successes in the sample will be between 0.47 and 0.51 is 30.5%.

Step-by-step explanation:

This problem should be solved with a binomial distribution sample, but as the size of the sample is large, it can be approximated to a normal distribution.

The parameters for the normal distribution will be

\mu=p=0.5\\\\\sigma=\sqrt{p(1-p)/n} =\sqrt{0.5*0.5/200}= 0.0353

We can calculate the z values for x1=0.47 and x2=0.51:

z_1=\frac{x_1-\mu}{\sigma}=\frac{0.47-0.5}{0.0353}=-0.85\\\\z_2=\frac{x_2-\mu}{\sigma}=\frac{0.51-0.5}{0.0353}=0.28

We can now calculate the probabilities:

P(0.47

If a sample of size 200 is taken, the probability that the proportion of successes in the sample will be between 0.47 and 0.51 is 41.26%.

b) If the sample size change, the standard deviation of the normal distribution changes:

\mu=p=0.5\\\\\sigma=\sqrt{p(1-p)/n} =\sqrt{0.5*0.5/100}= 0.05

We can calculate the z values for x1=0.47 and x2=0.51:

z_1=\frac{x_1-\mu}{\sigma}=\frac{0.47-0.5}{0.05}=-0.6\\\\z_2=\frac{x_2-\mu}{\sigma}=\frac{0.51-0.5}{0.05}=0.2

We can now calculate the probabilities:

P(0.47

If a sample of size 100 is taken, the probability that the proportion of successes in the sample will be between 0.47 and 0.51 is 30.5%.

8 0
3 years ago
Which expression is equivalent to -2-7?
quester [9]

Answer:7

Step-by-step explanation:

just because

3 0
3 years ago
Read 2 more answers
A clothing store has one floor devoted to sweaters. Ninety percent of the sweaters are wool. If the probability that a sweater i
larisa [96]

Answer:

27%

Step-by-step explanation:

4 0
3 years ago
X ≤ 4 and X&gt;-2<br> Interval Notation
Yuri [45]

\color{pink} \rule{500pt}{100000000pt}

6 0
2 years ago
Plz i need help and asap plus work pls and no files
AnnZ [28]

Answer:

25%

Step-by-step explanation:

so out of 32 marbles, 8 of them are red. This means the rest are blue which is 24 blue. To make a percentage, all you do is make a fraction. out of 32, 8 were red so 8/32. Fractions are basically division so 8/32 is 0.25. This means 25%.

3 0
3 years ago
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