8.5.D More Normal Distribution

8.5.D More Normal Distribution

Algebra 2B 6/2/21

Fill in the Blanks

What % of data that is normally distributed lies within 1 SD of the mean?

Fill in the Blanks

What % of the data in a normal distribution lies within 2 SD of the mean?

Fill in the Blanks

What % of the data that is normally distributed lies within 3 SD of the mean?

Multiple Choice

What % of normally distributed data lies outside 3 SD of the mean?

• .3%

• 95%

• 5%

• 3%

Fill in the Blanks

What percent of great white sharks have

a jaw width within 1SD of 15.7 in.?

Multiple Choice

What percent of great white sharks have

a jaw width less than 12.9 in.?

• 16%

• 13.5%

• 3.5%

• 0.15%

Fill in the Blanks

What percent of great white sharks have

a jaw width greater than 24.1 in.?

Fill in the Blanks

A light bulb lasts an average of 219 h. Out of 1,000 bulbs, how many will not last 79

h if the SD is 70 h?

Fill in the Blanks

A group of 71 frogs has a mean hopping distance of 66 in. and a SD of 3 in. How

many frogs will hop more than 72 in.?