3 years ago

Offering around 20 points

Mathematics

1 answer:

givi [52]3 years ago

4 0

Sarah

reason

she has the most consistent scores

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Kens home supply charges

OleMash [197]

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3 years ago

How do I do this equivalent ratio

djverab [1.8K]

The ratio given is

40:80:8

The equivalent ratio is

? : ? : 5

In the first ratio, look at the number in the same position as the 5 in the second ratio and compare it to the other 2 numbers. 80 is 10 times 8, and 40 is 5 times 8. Bring that same ratio down to the equivalent ratio...

5 x 10 = 50
5 x 5 = 25

The equivalent ratio is

25:50:5

6 0

3 years ago

Read 2 more answers

A market researcher for a provider of music player accessories wants to know the proportion of customers who own cars to assess

AVprozaik [17]

Answer:

a) The estimated standard deviation of the sampling distribution of the proportion is 0.023

b) the estimated standard deviation have been if he had surveyed only 100 customers is 0.046

Step-by-step explanation:

given information:

the number of sample, n = 400

sample proportion, p = 70% = 0.7