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3/24/2022-HW Normal Distribution--using Table A

Last updated over 2 years ago
13 questions
Required
1

A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3. In show your work, label the information appropriately, providing the correct information across the bottom and include the % for each section of standard deviation.

Required
1

A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3. What is the percentage of scores that are lower than 81?

Please input your answer as a percentage to the hundredths place, if necessary
(ex. 23.42%)

Required
1

A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3. What is the percentage of scores that are lower than 72?

Please input your answer as a percentage to the hundredths place, if necessary
(ex. 23.42%)

Required
1

A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3. What is the proportion the of scores between 74 and 83?

Please input your answer as a percentage to the hundredths place, if necessary
(ex. 23.42%)

Required
1

A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3.
What is the proportion the of scores between 69 and 75?

Please input your answer as a percentage to the hundredths place, if necessary
(ex. 23.42%)

Required
1

A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3.
What is the proportion the of scores higher than 72?

Please input your answer as a percentage to the hundredths place, if necessary
(ex. 23.42%)

Required
1

A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3.
What is the proportion the of scores higher than 78?

Please input your answer as a percentage to the hundredths place, if necessary
(ex. 23.42%)

Required
1

The talk-time battery life of a group of cell phones is normally distributed with a mean of 300 minutes and a standard deviation of 15 minutes. In show your work, label the information appropriately, providing the correct information across the bottom and include the % for each section of standard deviation.

Required
1

The talk-time battery life of a group of cell phones is normally distributed with a mean of 300 minutes and a standard deviation of 15 minutes. What percentage of the phones havea battery life of higher than 281 minutes?

Please input your answer as a percentage to the hundredths place, if necessary
(ex. 23.42%)

Required
1

The talk-time battery life of a group of cell phones is normally distributed with a mean of 300 minutes and a standard deviation of 15 minutes. What percentage of the phones have a battery life between 271 minutes and 306 minutes?

Please input your answer as a percentage to the hundredths place, if necessary
(ex. 23.42%)

Required
1

The talk-time battery life of a group of cell phones is normally distributed with a mean of 300 minutes and a standard deviation of 15 minutes. What percentage of the phones have a battery life between lower than 276 minutes?

Please input your answer as a percentage to the hundredths place, if necessary
(ex. 23.42%)

1

upload your pages of work here--page 1

1

upload your pages of work here--page 2