Statistics and Probability - Probability Distribution

Determine whether the distribution is a probability distribution of a discrete random variable or not.

• a probability distribution

• not a probability distribution

Determine whether the distribution is a probability distribution of a discrete random variable or not.

• a probability distribution

• not a probability distribution

Determine whether the distribution is a probability distribution of a discrete random variable or not.

• a probability distribution

• not a probability distribution

Determine whether the distribution is a probability distribution of a discrete random variable or not.

• a probability distribution

• not a probability distribution

The table shows the probability distribution of a discrete random variable "x". What is the probability of x=80 or P(80).

• 0.10

• 0.15

• 0.20

• 0.40

The table shows the probability distribution of a discrete random variable "x". What is the probability of x greater than 80 or P(x>80).

• 0.10

• 0.40

• 0.50

• 0.90

The table shows the probability distribution of a discrete random variable "x". What is the probability of x less than 80 or P(x<80).

• 0.10

• 0.40

• 0.50

• 0.90

The table shows the probability distribution of a discrete random variable "x". What is the probability of x less than or equals 80 or P(x≤80).

• 0.10

• 0.40

• 0.50

• 0.90

The table shows the probability distribution of the number "x" of live pups in a litter of a female not over twelve months of age that has not borne a litter in the past six weeks. Find the probability that the next litter will produce five to seven live pups.

• 0.22

• 0.26

• 0.31

• 0.79

The table shows the probability distribution of the number "x" of live pups in a litter of a female not over twelve months of age that has not borne a litter in the past six weeks. Find the probability that the next litter will produce at least six live pups.

• 0.22

• 0.31

• 0.60

• 0.71