#1 | Normal Distribution | Quizizz

(Sketch A) A test has an approximately normal distribution with a mean of 175 and a standard deviation of 37, what percent of scores are between 138 and 212?

• 68%

• 95%

• 99.7%

• 32%

(SKETCH A) A test has an approximately normal distribution with a mean of 175 and a standard deviation of 37, what percent of scores are above 249?

• 0.15%

• 2.5%

• 2.35%

• 16%

(SKETCH A) A test has an approximately normal distribution with a mean of 175 and a standard deviation of 37, what percent of scores are between 101 and 249?

• 68%

• 95%

• 99.7%

• 32%

(SKETCH A) A test has an approximately normal distribution with a mean of 175 and a standard deviation of 37, what percent of scores are between 64 and 286?

• 68%

• 95%

• 99.7%

• 32%

(SKETCH A) A test has an approximately normal distribution with a mean of 175 and a standard deviation of 37, what percent of scores are outside the interval 138 to 212?

• 68%

• 95%

• 99.7%

• 32%

(SKETCH A) A test has an approximately normal distribution with a mean of 175 and a standard deviation of 37. If 150 people take the test, how many would earn a score of greater than 212?

• 24

• 4

• 3

• 2400

(SKETCH B)The height of high school students has an approximately normal distribution with a mean of 66 inches and a standard deviation of 2 inches, what interval contains 68% of all students?

• 64 inches to 68 inches

• 62 inches to 70 inches

• 60 inches to 72 inches

(SKETCH B) The height of high school students has an approximately normal distribution with a mean of 66 inches and a standard deviation of 2 inches, what percent of all students are taller than 70 inches?

• 16%

• 2.5%

• 68%

• 99.7%

(SKETCH B) The height of high school students has an approximately normal distribution with a mean of 66 inches and a standard deviation of 2 inches, what percent of high school students are shorter than 66 inches?

• 16%

• 2.5%

• 68%

• 50%

(SKETCH B) The height of high school students has an approximately normal distribution with a mean of 66 inches and a standard deviation of 2 inches, what percent of all students are taller than 68 inches?

• 16%

• 2.5%

• 68%

• 99.7%