TEKS.MATH.9-12.V.B.1

The mean temperature in Glens Falls for the month of February is 23 degrees with a standard deviation of 4.2 degrees. Approximately what percent of days in February will be between 14.6 and 31.4 degrees?

• 68%
• 50%
• 99.7%
• 95%

Tags

TEKS.MATH.9-12.V.B.1

What is the probability of spinning green?

• 0
• 1/4
• 1/2
• 3/4

Tags

TEKS.MATH.6.4B

TEKS.MATH.7.6D

TEKS.MATH.7.6E

TEKS.MATH.6.4E

TEKS.MATH.9-12.V.A.1

TEKS.MATH.9-12.V.B.1

Find the probability of drawing a 10 from a standard deck of 52 cards.

• 1 out of 52
• 13 out of 52
• 26 out of 52
• 4 out of 52

Tags

TEKS.MATH.7.6D

TEKS.MATH.8.11C

TEKS.MATH.9-12.V.A.1

TEKS.MATH.9-12.V.B.1

Find the z-score such that 44% of the standard normal curve lies to the right of z. 

• -0.15
• -1.71
• 1.71
• 0.15

Tags

TEKS.MATH.9-12.V.B.1

 A group of 625 students has a mean age of 15.8 years with a standard deviation of 0.6 years.  The ages are normally distributed. What is the probability that a randomly selected student is older than 16.5 years old?

• 0.864
• 0.879
• 0.121
• None of these

Tags

TEKS.MATH.9-12.V.B.1

A coin is tossed and a number cube is rolled. Find the probability,  P(heads and 7).

• 1/14
• 1/2
• 0
• 1/7

Tags

TEKS.MATH.7.6D

TEKS.MATH.9-12.V.B.1

An unlikely chance event is closer to what number?

• 0
• 1
• 2
• 3

Tags

TEKS.MATH.7.6D

TEKS.MATH.9-12.V.B.1

If E be an event  such that P(E) = 3⁄7, then P(not E) is _______

• 4⁄7
• 6⁄7
• 5⁄7
• None of these

Tags

TEKS.MATH.9-12.V.B.1

The scoring of modern IQ is such that Intelligence Quotients (IQs) have a normal distribution of μ= 100 and 𝞂 = 15.

Mensa International is a non-profit organization that accepts only people with IQ score within the top 2%. What level of IQ qualifies one to be a member of Mensa?

• 115
• 130.75
• 145
• 120

Tags

TEKS.MATH.9-12.V.B.1

Draw one card from a standard deck. Find P(4 or club)

• 17/52

• 2/13

• 4/13

• 1/26

Tags

TEKS.MATH.9-12.V.B.1