Quarter 3

The 4 students of Access Computer College have the allowances P3, P6, P9, and P12. A sample size 3 is to be taken from this population. How many samples are possible?

• 4

• 3

• 2

• 1

In a population of reading scores, the mean µ = 68, and the standard deviation σ = 5. Find the z value that corresponds to a score X = 73

• 4

• 3

• 2

• 1

The z score is 1, the standard deviation is 3, and the mean 69 under the population values. What is the corresponding raw score in the given z score provided?

• 70

• 71

• 72

• 73

Find the proportion of the area above z = 2

• 0.8932

• 0.0222

• 0.0921

• 0.8883

Find the area that corresponds to z = 2.35

• 0.2934

• 0.4906

• 0.2310

• 0.9134

Supposed two coins are tossed consecutively and we are

interested in the number of heads that will come out. Let us use H to represent the number of heads that will come out. Determine the values of the random variable H.

• 0, 1, 2, 3, 4

• 0, 1, 2, 3

• 0, 1, 2

• 0, 1

A basket contains 10 ripe and 4 unripe bananas. If three

bananas are taken from the basket one after the other,

determine the possible values of the random variable R

representing the number of ripe bananas

• 0, 1, 2, 3, 4

• 0, 1, 2, 3

• 0, 1, 2

• 0, 1

Evaluate C(5,3)

• 2

• 4

• 68

• 10

Evaluate C(9,6)

• 84

• 45

• 66

• 92

The 4 students of Access Computer College have the allowances P3, P6, P9, and P12. A sample size 3 is to be taken from this population. Compute the mean of each sample

• 8, 9, 10, 11

• 7, 8, 9, 10

• 6, 7, 8, 9

• 5, 6, 7, 8