3/27/2023-Warm Up
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Last updated over 2 years ago
4 questions
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 higher than 72?
Please input your answer as a percentage to the tenths place (ex. 23.4%)
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 higher than 72?
Please input your answer as a percentage to the tenths place (ex. 23.4%)
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 probability that the score is between 66 and 75?
Please input your answer as a decimal to the thousands place. (ex. 0.256)
A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3. What is the probability that the score is between 66 and 75?
Please input your answer as a decimal to the thousands place. (ex. 0.256)
Required
1
A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3. How many scores fell within one standard deviation of the mean?
Round your answer to the nearest whole number, if necessary. (no units required)
A set of 125 golf scores are normally distributed with a mean of 76 and a standard deviation of 3.
How many scores fell within one standard deviation of the mean?
Round your answer to the nearest whole number, if necessary. (no units required)
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 below 255 minutes?
Please input your answer as a percentage to the thousandths place (ex. 0.412%)
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 below 255 minutes?
Please input your answer as a percentage to the thousandths place (ex. 0.412%)