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.
Based on a random sample of 50 students, the 90 percent confidence interval for the
(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.
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