Question

A food safety guideline is that the mercury in fish should be below 1 part per million (ppm). Listed below are the amounts of mercury (ppm) found in tuna sushi sampled at different stores in a major city. Construct a 98 98% confidence interval estimate of the mean amount of mercury in the population. Does it appear that there is too much mercury in tuna sushi? 0.56 0.77 0.10 0.98 1.27 0.52 0.89 What is the confidence interval estimate of the population mean mu μ?

Answer #1

solution:

first of all compute the mean and standard deviation of the given sampled data

so mean =

standard deviation =

confidence leve = CL = 98% = 0.98

since population standard deviation is not known and sample size is small we will use t distribution to find confidence interval

df = n - 1 = 7 - 1 = 6

critical value of t =

margin of error = E =

confidence interval of the mean =

upper limit = 0.73 + 0.45 = 1.18

lower limit = 0.73 - 0.45 = 0.28

Yes there is a chance of having a greater of equal to 1 ppm murcury in the population because the upper bound of mean is 1.18 ppm

A food
safety guideline is that the mercury in fish should be below 1 part
per million? (ppm). Listed below are the amounts of mercury? (ppm)
found in tuna sushi sampled at different stores in a major city.
Construct a 98% confidence interval estimate of the mean amount of
mercury in the population. Does it appear that there is too much
mercury in tuna? sushi?
0.57,
0.75, 0.10, 0.95, 1.27, 0.54, 0.89

A food safety guideline is that the mercury in fish should be
below 1 part per million (ppm). Listed below are the amounts of
mercury (ppm) found in tuna sushi sampled at different stores in a
major city. Construct a 98% confidence interval estimate of the
mean amount of mercury in the population. Does it appear that there
is too much mercury in tuna sushi?
0.56, 0.77, 0.11, 0.93, 1.23, 0.50, 0.86
What is the confidence interval estimate of the...

A food safety guideline is that the mercury in fish should be
below 1 part per million (ppm). Listed below are the amounts of
mercury (ppm) found in tuna sushi sampled at different stores in a
major city. Construct a 98% confidence interval estimate of the
mean amount of mercury in the population. Does it appear that there
is too much mercury in tuna sushi?
0.52 0.79 0.11 0.87 1.35 0.57 0.89

A food safety guideline is that the mercury in fish should be
below 1 part per million (ppm). Listed below are the amounts of
mercury (ppm) found in tuna sushi sampled at different stores in a
major city. Construct a 98% confidence interval estimate of the
mean amount of mercury in the population. Does it appear that there
is too much mercury in tuna sushi?
0.51 0.77 0.10 0.94 1.28 0.49 0.96
ppm < μ < ppm

A food safety guideline is that the mercury in fish should be
below 1 part per million (ppm). Listed below are the amounts of
mercury (ppm) found in tuna sushi sampled at different stores in a
major city. Construct a 98 98% confidence interval estimate of the
mean amount of mercury in the population. Does it appear that there
is too much mercury in tuna sushi? 0.58 0.75 0.10 0.96
1.29 0.58 0.83 What is the confidence interval estimate of...

A food safety guideline is that the mercury in fish should be
below 1 part per million (ppm). Listed below are the amounts of
mercury (ppm) found in tuna sushi sampled at different stores in a
major city. Construct a 90% confidence interval estimate of the
mean amount of mercury in the population. Does it appear that there
is too much mercury in tuna sushi?
0.53 0.81 0.10 0.94 1.30 0.56 0.92 What is the confidence
interval estimate of the...

A food safety guideline is that the mercury in fish should be
below 1 part per million (ppm). Listed below are the amounts of
mercury (ppm) found in tuna sushi sampled at different stores in a
major city. Construct a 99% confidence interval estimate of the
mean amount of mercury in the population. Does it appear that there
is too much mercury in tuna sushi?
0.56, 0.71, 0.11, 0.96, 1.26, 0.50, 0.86
What is the confidence interval estimate of the...

A food safety guideline is that the mercury in fish should be
below 1 part per million (ppm). Listed below are the amounts of
mercury (ppm) found in tuna sushi sampled at different stores in a
major city. Construct a 99%confidence interval estimate of the mean
amount of mercury in the population. Does it appear that there is
too much mercury in tuna sushi?
0.62, 0.71, 0.10, 0.93, 1.32, 0.56, 0.80
what is the confidence interval estimate of the population...

A food safety guideline is that the mercury in fish should be
below 1 part per million (ppm). Listed below are the amounts of
mercury (ppm) found in tuna sushi sampled at different stores in a
major city. Construct a 95% confidence interval estimate of the
mean amount of mercury in the population. Does it appear that there
is too much mercury in tuna sushi?
0.58, 0.71, 0.10, 0.86, 1.38, 0.56, 0.85
What is the confidence interval estimate of the...

A food safety guideline is that the mercury in fish should be
below 1 part per million (ppm). Listed below are the amounts of
mercury (ppm) found in tuna sushi sampled at different stores in a
major city. Construct a
95%
confidence interval estimate of the mean amount of mercury in
the population. Does it appear that there is too much mercury in
tuna sushi?
0.53
0.71
0.10
0.94
1.27
0.53
0.93

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