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malfutka [58]
2 years ago
11

A psychologist is interested in constructing a 95% confidence interval for the proportion of people who accept the theory that a

person's spirit is no more than the complicated network of neurons in the brain. 75 of the 729 randomly selected people who were surveyed agreed with this theory.
a. With 95% confidence the proportion of all people who accept the theory that a person's spirit is no more than the complicated network of neurons in the brain is betweenand .
b. If many groups of 729 randomly selected people are surveyed, then a different confidence interval would be produced from each group. About Correct percent of these confidence intervals will contain the true population proportion of all people who accept the theory that a person's spirit is no more than the complicated network of neurons in the brain and about Correct percent will not contain the true population proportion.
Mathematics
1 answer:
elena-14-01-66 [18.8K]2 years ago
8 0
Aja the same thing in the world and is
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zhannawk [14.2K]

Answer:

  1. Lena's Method: 280
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Step-by-step explanation:

Lena's Method:

  1. 8 + 12 = 20
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  3. 14(20) = 14 × 20 = 280

Jackson's Method:

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  2. 14 × 12 = 168
  3. Re-write the expression: 112 + 168
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I hope this helps!

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