Question

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.

Answer #1

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
teenagers drink 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 3.7 soft
drinks per week and found the standard deviation to be 1.
What is the minimum sample size required to create the specified
confidence interval? Round your answer up to the next integer.

1A. 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 0.07. A
consultant has informed them that a previous study found the mean
to be 3.7 soft drinks per week and found the variance to be 1.21.
What is the minimum sample size required to create the specified
confidence interval? Round your answer up to the next integer.
1B....

a market surveyor wishes to know how many energy drinks adults
drink each week. they want to construct a 80% confidence interval
with an error or no more than 0.07. a consultant has informed them
that a previous study found the mean to be 7.2 energy drinks per
week and found the variance to be 0.81. what is the minimum sample
size reauired to create the specified 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.

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
teenagers drink 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 7.3 energy
drinks per week and found the standard deviation to be 0.7. 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
teenagers drink each week. They want to construct a 90%90%
confidence interval for the mean and are assuming that the
population standard deviation for the number of soft drinks
consumed each week is 1.41.4. The study found that for a sample of
10831083 teenagers the mean number of soft drinks consumed per week
is 5.65.6. Construct the desired confidence interval. Round your
answers to one decimal place.

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