Finding the Mean Variance and Standard Deviation Questions Response statistics problems, please be sure to show all work. questions consists of mostly probability and mean/mode/standard deviation. 1.) Selecting a Card When a card is selected from a deck, find the probability of getting:
a. A club
b. A face card or a heart
C. A 6 and a spade
d. A king
e. A red card
2.) Rolling Two Dice When two dice are rolled, find the probability of getting:
a. A sum of 5 or 6
b. A sum greater than 9
C. A sum less than 4 or greater than 9
d. A sum that is greater than or equal to 4
e. A sum of 14
f. A sum less than 9
3.) Employed Women If 60% of all women are employed outside the home, find the probability that in a
sample of 20 women,
a. Exactly 12 are employed
b. At least 9 are employed
c. Fewer than 5 are employed outside the home
4.) Sports Score Hot Line Calls Sports Scores Hot Line receives, on the average, 8 calls per hour
requesting the latest sports scores. The distribution is Poisson in nature. For any randomly selected
hour, find the probability that the company will receive
a. At least 8 calls
b. 3 or more calls
c. At most 7 calls
5.) Find the probabilities for each, using the standard normal distribution.
P (O
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