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vekshin1
3 years ago
5

Allie and Sam are ophthalmologists. Allie found that 40% of the 170 patients she saw in a week were near sighted. Sam found that

25% of the 236 patients he saw in a week were near-sighted
How many of the patients Allie wear near-sighted?
How many of the patients Sam Saw were near sighted?
Mathematics
2 answers:
nataly862011 [7]3 years ago
8 0

Answer:

Allie:68  Sam:59

Step-by-step explanation:

You take 40% from 68 and 25% from 236.

Hatshy [7]3 years ago
3 0

Answer:

Allie: 68  Sam: 59

Step-by-step explanation:

You take 40% from 68 and 25% from 236 and boom.

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A population proportion is . A sample of size will be taken and the sample proportion will be used to estimate the population pr
padilas [110]

Complete Question:

A population proportion is 0.4. A sample of size 200 will be taken and the sample proportion p will be used to estimate the population proportion. Use z- table Round your answers to four decimal places. Do not round intermediate calculations. a. What is the probability that the sample proportion will be within ±0.03 of the population proportion? b. What is the probability that the sample proportion will be within ±0.08 of the population proportion?

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A) 0.61351

Step-by-step explanation:

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A.) proprobaility that sample proportion 'p' is within ±0.03 of population proportion

Statistically:

P(0.4-0.03<p<0.4+0.03)

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P[-0.03/0.0346410 < z < 0.03/0.0346410

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B) proprobaility that sample proportion 'p' is within ±0.08 of population proportion

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P(0.4-0.08<p<0.4+0.08)

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P[-0.08/0.0346410 < z < 0.08/0.0346410

P(−2.3094 < z < 2.3094)

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0.98954 - 0.010461

= 0.97908

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