50 ! (dont spam my question ill report you)

the probability of success in each of the 58 identical engine tests is p=0.92. what is the mean of this binomial distribution?

4.3

53.4

2.1

63.0

the minimum usual value of a binomial distribution is 89.3. the maximum usual value is 102.8. which of the following values would be considered usual for this distribution?

103

89

91

125

a local poll found that only 17% of the 546 people surveyed feel the mayor's new city tax plan is effective. find the mean of this binomial distribution.

77.0

453.2

8.8

92.8

36% of the 1035 people who watched the new sequel to a popular action movie thought it was better than the orginal. find the mean.

372.6

238.5

662.4

15.4

a bonus activity in a popular video game allows the gamer to choose from several boxes to acquire a rare and useful item. the probability of success is 0.2. with 35 attempts, find the standard deviation.

2.4

7.0

5.6

0.2

the probability of a child being born with light-colored eyes to two particular parents is 0.25. the parents intend to have 5 children. find the variance of this binomial distribution.

0.9

1.0

1.3

3.8

the probability of students choosing the left lunch line at school is p=0.431. find the variance of the binomial distribution of 982 students choosing the left lunch line today.

423.2

558.8

15.5

240.8

a couple of college students, frustrated with the current class registration process, decide to survey 500 random students on campus. they find that 84% are also dissatisfied. what is the standard deviation of this binomial distribution?

420.0

8.2

67.2

0.1