Find the Probability

The math test scores in Algebra 2 have a mean of 76 and a standard deviation of 6. 

What percent of students scored above 85?

(round to the nearest hundredths)

Solution: _.__%

(only type the decimal)

Mathematical Equivalence

OFF

The math test scores in Algebra 2 have a mean of 76 and a standard deviation of 6. 

What percent of students scored below a 72?

(round to the nearest hundredths)

Solution: __.__%

(only type the decimal)

Mathematical Equivalence

ON

The math test scores in Algebra 2 have a mean of 76 and a standard deviation of 6. What percent of students scored between 66 and 80? (round to the nearest hundredths) Solution: __.__% (only type the decimal)

Mathematical Equivalence

ON

The math test scores in Algebra 1 have a mean of 73 and a standard deviation of 5. 

What percent of students scored below a 65?

(round to the nearest hundredths)

Solution: _.__%

(only type the decimal)

Mathematical Equivalence

OFF

The math test scores in Algebra 1 have a mean of 73 and a standard deviation of 5. 

What percent of students scored between a 75 and 85?

(round to the nearest hundredths)

Solution: __.__%

(only type the decimal)

Mathematical Equivalence

OFF

The math test scores in Algebra 1 have a mean of 73 and a standard deviation of 5. 

What percent of students scored above an 80?

(round to the nearest hundredths)

Solution: _.__%

(only type the decimal)

Mathematical Equivalence

OFF

A farm has 5 brown cows and 10 white cows. A fence is open and two cows escape. What is the probability that it will be a brown cow, then a white cow?

• 1/9

• 2/9

• 5/21

• 10/21

In a drawer, there are 6 white socks, 4 black socks, and 2 brown socks. You pick out a sock, replace it, then pick out a 2nd sock. What is the probability that you will pick a brown, then black sock?

• 1/11

• 1/18

• 1/36

• 2/33

In a cup are the numbers 1 - 20. Find the theoretical probability of 
picking a number divisible by 5. 

• 4/20

• 1/5

• 5/20

• 1/4

What is the probability of spinning an even number?

• 30%

• 33%

• 50%

• 67%