For a standard normal distribution, which of the following expressions must always be equal to 1?

A) P (z≤-a) - P (-a≤z≤a) + P (z≥a)

B) P (z≤-a) - P (-a≤z≤a) + P (z≥a)

C) P (z≤-a) + P (-a≤z≤a) - P (z≥a)

D) P (z≤-a) + P (-a≤z≤a) + P (Z≥a)

Technician A says when there is a delay or slip as the transmission shifts into any forward gear, a slipping rear clutch is indicated. Technician B says a slipping front or forward clutch is indicated if the shift for all forward gears is delayed.

How many legs do 8 ants have

What ordered pair (x, y) is a solution to - x+6y=2

Debra travels a distance of 2 miles in 1 minute. how much distance can she cover in 25 minutes? choose the correct equivalent rate.

The sum of two numbers is with a ratio of 15:10 find the larger number.

Which number produces a rational number when multiplied by 1/5

3x+2 (4x-4) = 3 answer choices-1,2,3,4

What is the absolute value of | 7.5 |

If you are given measurements how can you determine if it is a triangle

If you are making a scale drawing of a giraffe that is 6m tall, and the height of the giraffe in your drawing is 3 cm, what is the scale of the drawing?