Entries by Grace Wahito

A company making refrigerators strives for the internal temperature

February 27, 2020 in /by

A company making refrigerators strives for the internal temperature to have a mean of 37.5 degrees with a standard deviation of 0.6 degrees, based on samples of 100. A sample of 100 refrigerators have an average temperature of 37.70 degrees. Are the refrigerators within the 90% confidence interval?   Looking for a Similar Assignment? Order […]

 

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What is the 97% confidence interval for a sample of 104 soda cans that have a mean amount of 15.10 ounces and a standard deviation of 0.08 ounces?

February 27, 2020 in /by

What is the 97% confidence interval for a sample of 104 soda cans that have a mean amount of 15.10 ounces and a standard deviation of 0.08 ounces?   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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Determine the minimum sample size required when you want to be 98%

February 27, 2020 in /by

Determine the minimum sample size required when you want to be 98% confident that the sample mean is within two units of the population mean. Assume a standard deviation of 7.55 in a normally distributed population.   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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Determine the minimum sample size required when you want to be 80%

February 27, 2020 in /by

Determine the minimum sample size required when you want to be 80% confident that the sample mean is within 1.3 units of the population mean. Assume a standard deviation of 9.24 in a normally distributed population.   Looking for a Similar Assignment? Order now and Get 10% Discount! Use Coupon Code “Newclient”

 

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