Question 1:

For the following data set(Sample) :

15, 25, 24, 15, 20, 30, 25

Find the mean

Question 2:

For the following data set(Sample) :

15, 25, 24, 15, 20, 30, 25

Find the median

Question 3:

For the following data set(Sample) :

15, 25, 24, 15, 20, 30, 25

Find the mode

Question 4:

For the following data set(Sample) :

15, 25, 24, 15, 20, 30, 25

Find the midrange

Question 5:

For the following data set(Sample) :

15, 25, 24, 15, 20, 30, 25

Find P65

Question 6:

For the following data set(Sample) :

15, 25, 24, 15, 20, 30, 25

Find the variance S2 (Round to two decimals)

Question 7:

For the following data set(Sample) :

15, 25, 24, 15, 20, 30, 25

Find the standard deviation S(Round to two decimals)

Question 8:

John got a 69 in a math test with the mean of 76 and standard deviation of 8 while Peter got a 28 in Physics test with a mean of 35 and standard deviation of 10 .

Who got better relative score ?

Question 9:

When selecting two king cards from the regular 52 deck of cards and the cards are selected

with replacement.

are the outcomes independent or dependent ?

Question 10:

When selecting two king cards from the regular 52 deck of cards and the cards are selected

without replacement .

are the outcomes independent or dependent ?

Question 11:

Find the probability of selecting two king cards from the regular 52 deck of cards if the cards are selected

without replacement.

Question 12:

Find the probability of selecting two king cards from the regular 52 deck of cards if the cards are selected

with replacement.

Question 13:

Find the probability of selecting two diamond cards from the regular 52 deck of cards if the cards are selected

with replacement .

Question 14:

If we randomly select one card from a regular deck of cards , what is the probability of getting a jack OR a diamond card?

Question 15:

A multiple choice quiz consists of 4 possible answers. If a student answers the ten questions by making random guesses. what is the probability of getting AT LEAST ONE correct answer?

Round your answer to three decimals .

Question 16:

Three people enter a room containing three chairs. in how many ways can the three people be seated in the three chairs

Question 17:

In how many ways can seven different books be arranged on a book shelf?

Question 18:

A class of 26 students elects four people to office, namely, a president , vice president , secretary and a treasurer , in how many possible ways can they be selected from this class ?

Question 19:

A class of 26 students elects five people randomly , in how many possible ways can they be selected from this class?

Question 20:

If P(A)=0.432 what is P(complement of A)