elena finds that the area of a house on a scale drawing is 25 square inches. the actual area of the house is 2,025 square feet.
2 answers:
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Complete Question
Educational Television In a random sample of 200 people, 159 said that they watched educational television. Find the 90% confidence interval of the true proportion of people who watched educational television. Round the answers to at least three decimal places.
Answer:
The 90% confidence interval is
Step-by-step explanation:
From the question we are told that
The sample size is n = 200
The number of people that watched the educational television is
Generally the sample proportion is mathematically represented as
=>
From the question we are told the confidence level is 90% , hence the level of significance is
=>
Generally from the normal distribution table the critical value of is
Generally the margin of error is mathematically represented as
=>
=>
Generally 95% confidence interval is mathematically represented as
=>
=>
When you complete the synthetic division you get 9 as the remainder so your answer is A. 9
Work in image, sorry it’s super messy
Work in image, sorry it’s super messy