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8-4 Check for Understanding

Posljednje ažuriranje about 3 years ago

12

1

Pitanje 1

1.

1

1

Pitanje 3

3.

What percentage of the samples had an above average growth rate? (Round to the nearest whole percent).

1

Pitanje 4

4.

What percentage of the samples at 70 degrees had an above average growth rate? (Round to the nearest whole percent).

1

1

2

Pitanje 7

7.

What is Han's mistake?

1

Pitanje 8

8.

What is the probability that a person selected at random is younger than 18 years old OR stretched before the game? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

1

Pitanje 9

9.

What is the probability that a student selected at random prefers to play tag at recess? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

1

1

1

Pitanje 2

2.

A biologist studies two different invasive species in both wetland and coastal habitats. Purple loosestrife is present in 35% of the sites. Common reed is present in 55% of the sites. Both are present in 23% of the sites. What percentage of the sites have purple loosetrife or common reed present?

A. 12%

B. 22%

C. 67%

D. 90%

Pitanje 5

5.

What percentage of the samples were at 80 degrees? (Round to the nearest whole percent).

Pitanje 6

6.

What percentage of the samples that had an average growth rate were at 80 degrees? (Round to the nearest whole percent).

Pitanje 10

10.

What is the probability that a student selected at random prefers to play tag or kickball at recess? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

Pitanje 11

11.

What is the probability that a student in class A selected at random prefers to play kickball at recess? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)

Pitanje 12

12.

What is the probability that a student selected at random is in class B and prefers to play tag at recess? (Answer with a simplified fraction, a decimal to the nearest hundredth, or a percentage.)