Question

A fast food restaurant executive wishes to know how many fast food meals adults eat each week. They want to construct a 85% confidence interval with an error of no more than 0.08. A consultant has informed them that a previous study found the mean to be 5.6 fast food meals per week and found the standard deviation to be 1.3. What is the minimum sample size required to create the specified confidence interval? Round your answer up to the next integer.

Answer #1

A fast food restaurant executive wishes to know how many fast
food meals adults eat each week. They want to construct a 90%
confidence interval with an error of no more than 0.06 meals. A
consultant has informed them that a previous study found the mean
to be 5.7 fast food meals per week and found the standard deviation
to be 1.1.
What is the minimum sample size required to create the specified
confidence interval?

A fast food restaurant executive wishes to know how many fast
food meals teenagers eat each week. They want to construct a 80%
confidence interval with an error of no more than 0.08. A
consultant has informed them that a previous study found the mean
to be 3.2 fast food meals per week and found the standard deviation
to be 1.2. What is the minimum sample size required to create the
specified confidence interval? Round your answer up to the...

A fast food restaurant executive wishes to know how many fast
food meals adults eat each week. They want to construct a 95%
confidence interval for the mean and are assuming that the
population standard deviation for the number of fast food meals
consumed each week is 1.4. The study found that for a sample of
1537 adults the mean number of fast food meals consumed per week is
6.4. Construct the desired confidence interval. Round your answers
to one...

PLEASE DOUBLE CHECK ANSWER, AND NO HANDWRITTEN ANSWERS. THANK
YOU!!
A fast food restaurant executive wishes to know how many fast
food meals adults eat each week. They want to construct a 99%
confidence interval with an error of no more than 0.06. A
consultant has informed them that a previous study found the mean
to be 7.5 fast food meals per week and found the standard deviation
to be 1.4. What is the minimum sample size required to create...

A soft drink manufacturer wishes to know how many soft drinks
adults drink each week. They want to construct a 95% confidence
interval with an error of no more than 0.08. A consultant has
informed them that a previous study found the mean to be 3.1 soft
drinks per week and found the variance to be 0.49. What is the
minimum sample size required to create the specified confidence
interval? Round your answer up to the next integer.

A soft drink manufacturer wishes to know how many soft drinks
adults drink each week. They want to construct a 95% confidence
interval with an error of no more than 0.08. A consultant has
informed them that a previous study found the mean to be 3.1 soft
drinks per week and found the variance to be 0.49. What is the
minimum sample size required to create the specified confidence
interval? Round your answer up to the next integer.

A soft drink manufacturer wishes to know how many soft drinks
adults drink each week. They want to construct a 85% confidence
interval with an error of no more than 0.06. A consultant has
informed them that a previous study found the mean to be 7.6 soft
drinks per week and found the variance to be 0.81. What is the
minimum sample size required to create the specified confidence
interval? Round your answer up to the next integer.

A marketing research company wishes to know how many energy
drinks adults drink each week. They want to construct a 95%
confidence interval with an error of no more 0.08. A consultant has
informed them that a previous study found the mean to be 5.9 energy
drinks per week and found the standard deviation to be 1.3. What is
the minimum sample size required to create the specific confidence
interval?

A market research company wishes to know how many energy drinks
adults drink each week. They want to construct a 98% confidence
interval with an error of no more than 0.07. A consultant has
informed them that a previous study found the mean to be 7.3 energy
drinks per week and found the standard deviation to be 1.2. What is
the minimum sample size required to create the specified confidence
interval? Round your answer up to the next integer.

A market surveyor wishes to know how many energy drinks adults
drink each week. They want to construct a 99%99% confidence
interval with an error of no more than 0.060.06. A consultant has
informed them that a previous study found the mean to be 5.55.5
energy drinks per week and found the standard deviation to be
0.70.7. What is the minimum sample size required to create the
specified confidence interval? Round your answer up to the next
integer.

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