Uniform Density Curves — Quiz

Question 1

John and Oliver are working a shift that starts at the same time. John always arrives 8 minutes late. What percentage of the time does Oliver arrive within 10 minutes of John's arrival time?

Revolt · Accepted Answer

40 percent

Question 2

What percentage of numbers randomly generated by Taylor's computer are between 1 point 5 and 3 point 2 5 ?

Revolt · Accepted Answer

43 point 7 5 percent

Question 3

What proportion of drinks cost less than 5 point 5 0 dollars ?

Revolt · Accepted Answer

0 point 8 3 3

Question 4

What proportion of drinks cost more than 4 point 0 0 dollars ?

Revolt · Accepted Answer

2 thirds

Question 5

What proportion of drinks cost between 3 point 5 0 dollars and 4 point 0 0 dollars ?

Revolt · Accepted Answer

1 sixth

Question 6

What would the height need to be for this curve to be a density curve?

Revolt · Accepted Answer

1 sixth

Question 7

What percentage of numbers randomly generated by Taylor's computer are less than 0 point 5 ?

Revolt · Accepted Answer

12 point 5 percent

Question 8

Which graph represents a density curve, and why?

Revolt · Accepted Answer

graph A only, because the area under the curve equals 1, and the curve is above the horizontal axis

Question 9

Which graph represents a density curve, and why?

Revolt · Accepted Answer

neither graph A nor graph B, because, even though both curves are above the horizontal axis, neither graph has an area of 1

Question 10

Which graph represents a density curve, and why?

Revolt · Accepted Answer

both graph A and graph B, because both curves are above the horizontal axis, and the areas under both curves equal 1

Uniform Density Curves — Quiz Answers

More from this Course

TRY EDGENUITY HACKS