Algebra 2 Lab - 6.3 - 6.4

This data is normally distributed. What percent of the data is in the shaded region?

• 50%

• 68%

• 95%

• 99.7%

Tags

CCSS.HSS.ID.A.4

This data is normally distributed. What percent of the data is in the shaded region?

• 68%

• 32%

• 16%

• 50%

Tags

CCSS.HSS.ID.A.4

What percentage of data falls within 1 standard deviation? 

• 25%

• 68%

• 95%

• 99.7%

Tags

CCSS.HSS.ID.A.4

How much of the data falls within 3 standard deviations? 

• 25%

• 68%

• 95%

• 99.7%

Tags

CCSS.HSS.ID.A.4

What is the the total area under the standard normal distribution curve?

• 100
• 25
• .5
• 1

Tags

CCSS.7.SP.C.7A

If this is the graph of data normally distributed with a mean of 30 and a standard deviation of 5, what label (number) is written at the blue circle?

• 40

• 35

• 45

• 50

Tags

CCSS.HSS.ID.A.4

Given a mean of 75 and a standard deviation of 7, what percentage of scores are above 82?

• 34%

• 16%

• 81.5%

• 2.5%

Tags

CCSS.HSS.ID.A.4

A statistical study calculated that the average cost of used iPhones is $230, with a standard deviation of $25. What is the probability that a select phone from the sample costs between $205 and $280?

• 81.5%

• 68%

• 95%

• 47.5%

Tags

CCSS.HSS.ID.A.4

A statistical study calculated that the average usage of smartphones during class is 22 minutes a day, with a standard deviation of 5 minutes. What is the percentage of the people from the study that uses their smartphones less than 27 minutes a day?

• 34%

• 16%

• 84%

• 95%

Tags

CCSS.HSS.ID.A.4

A statistical study calculated that the average score on the SAT Exam is 1270, with a standard deviation of 130. What percentage of examinees from the study scored between 1270 and 1530?

• 84%

• 68%

• 97.5%

• 47.5%

Tags

CCSS.HSS.ID.A.4