Class Work #15 - Finding Percentages
Authored by KELLY KULHA
Mathematics
9th - 12th Grade
CCSS covered
Used 43+ times
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10 questions
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1.
FILL IN THE BLANK QUESTION
1 min • 1 pt
For males in a certain town, the systolic blood pressure is normally distributed with a mean of 130 and a standard deviation of 7. What is the probability that a randomly selected male's systolic blood pressure will be between 116 and 135?
Round your answer to the nearest percent.
Tags
CCSS.HSS.ID.A.4
2.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The weight of oranges growing in an orchard is normally distributed with a mean weight of 8 oz. and a standard deviation of 0.5 oz. What is the probability that a randomly selected orange from the orchard weighs less than 8 oz.?
Tags
CCSS.HSS.ID.A.4
3.
FILL IN THE BLANK QUESTION
1 min • 1 pt
At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 10 minutes and a standard deviation of 3 minutes. What percentage of customers have to wait between 5 minutes and 14 minutes?
Round your answer to the nearest tenth.
Tags
CCSS.HSS.ID.A.4
4.
FILL IN THE BLANK QUESTION
1 min • 1 pt
In an all boys school, the heights of the student body are normally distributed with a mean of 70 inches and a standard deviation of 3 inches. What is the probability that a randomly selected student will be taller than 71 inches tall?
Round your answer to the nearest tenth.
Tags
CCSS.HSS.ID.A.4
5.
FILL IN THE BLANK QUESTION
1 min • 1 pt
For males in a certain town, the systolic blood pressure is normally distributed with a mean of 130 and a standard deviation of 10. What is the probability that a randomly selected male's systolic blood pressure will be between 130 and 157?
Round your answer to the nearest tenth.
Tags
CCSS.HSS.ID.A.4
6.
FILL IN THE BLANK QUESTION
1 min • 1 pt
The weight of oranges growing in an orchard is normally distributed with a mean weight of 7.5 oz. and a standard deviation of 1 oz. What percentage of the oranges from the orchard weigh more than 9 oz.?
Round your answer to the nearest tenth.
Tags
CCSS.HSS.ID.A.4
7.
FILL IN THE BLANK QUESTION
1 min • 1 pt
At a local restaurant, the amount of time that customers have to wait for their food is normally distributed with a mean of 28 minutes and a standard deviation of 2 minutes. What percentage of customers have to wait less than 31 minutes?
Round your answer to the nearest tenth.
Tags
CCSS.HSS.ID.A.4
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