Statistics and Probability Answers

In how many ways can the word "TOPO" be arranged?

a. 12 ways
b. 15 ways
c. 18 ways
d. 21 ways

In how many ways can the word "HOSPITAL" be arranged?

a. 924
b. 120
c. 45040
d. 40320

If two dies are tossed together,what is the probability of having equal outcomes.

a. 1/6
b. 5/36
c. 1
d. 6

8 If two dies are toced together what is the probability of having sum of 5 as the outcome.

a. 1/9
b. 1/6
c. 1/8
d. 1/10

In how many ways can a committee of 5 people be chosen out of 9 people?

a. 254
b. 126
c. 120
d. 131

In a study on survival time for twenty patients following a new treatment for Aids, the time in months was 19 24 12 8 20 23 22 16 15 24 27 25 24 18 3 21 10 9 26 25. Determine the mode for the given data.

a. 48
b. 32
c. 36
d. 24

Find the mean deviation of the distribution 12,6,7,3,15,10,18,5.

a. 4.97
b. 2.97
c. 4.25
d. 4.38

Find the standard deviation of the distribution 12,6,7,3,15,10,18,5

a. 4.87
b. 4.97
c. 2.21
d. 5.81

In a study on survival time for ten patients following a new treatment for AIDS. The time in months were given thus: 24, 12, 8, 20, 3, 18, 24, 25,and 27. Determine the variance for the given data.

a. 17.9
b. 6.8
c. 24
d. 8

In a study on survival time for ten patients following a new treatment for AIDS. The time in months were given thus: 24, 12, 8, 20, 3, 18, 24, 25,and 27. Determine the mode for the given data.

a. 17.9
b. 24
c. 18
d. 24