Based on a random sample of 50 students, the 90 percent confidence interval for the mean amount of money students spend on lunch at a certain high school is found to be ($3.45, $4.15). Which of the following statements is true? (A) 90% of the time, the mean amount of money that all students spend on lunch at this high school will be between $3.45 and $4.15. (B) 90% of all students spend between $3.45 and $4.15 on lunch at this high school. (C) 90% of all random samples of 50 students obtained at this high school would result in a sample mean amount of money students spend on lunch between $3.45 and $4.15. (D) 90% of all random samples of 50 students obtained at this high school would result in a 90% confidence interval that contains the true mean amount of money students spend on lunch. (E) Approximately 45 of the 50 students in the random sample will spend between $3.45 and $4.15 on lunch at this high school.
Based on a random sample of 50 students, the 90 percent confidence interval for the mean amount of money
students spend on lunch at a certain high school is found to be ($3.45, $4.15). Which of the following statements is
true?
(A) 90% of the time, the mean amount of money that all students spend on lunch at this high school will be
between $3.45 and $4.15.
(B) 90% of all students spend between $3.45 and $4.15 on lunch at this high school.
(C) 90% of all random samples of 50 students obtained at this high school would result in a sample mean
amount of money students spend on lunch between $3.45 and $4.15.
(D) 90% of all random samples of 50 students obtained at this high school would result in a 90% confidence
interval that contains the true mean amount of money students spend on lunch.
(E) Approximately 45 of the 50 students in the random sample will spend between $3.45 and $4.15 on lunch
at this high school.
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