SOLUTION: Find the errors in each of the following statements: (a) The probabilities that an automobile salesperson will sell 0, 1, 2, or 3 cars on any given day in February are, respecti

Question 1065335: Find the errors in each of the following statements:
(a) The probabilities that an automobile salesperson will sell 0, 1, 2, or 3 cars on any given day in February are, respectively 0, 1, 2, or 3 cars on any given day in February are, respectively, 0.19, 0.38, 0.29, and 0.15.
b)the probability that it will rain tomorrow is 0.40 and the probability that it will not rain tomorrow is 0.52
c) the probabilities that a printer will make 0,1,2,3 or 4 or more mistakes in printing a document are , respectively, 0.19, 0.34, -0.25, 0.43 and 0.29.
d) On a single draw from a deck of playing card the probability of selecting a heart is 1/7 ,the probability of selecting a black card is 1/2 and the probability of selecting both a heart and a black card is 1/8.

Answer by Fombitz(32388) (Show Source): You can put this solution on YOUR website!
a) The sum of probabilities must equal 1.
b) It will either rain or not rain, there are no other possibilities so the sum of the two probabilities must equal 1.
c) Probabilities must be in the range of [0,1].
d) There are 13 hearts and 52 total cards so the probability of drawing a heart is

The probability of selecting a black heart is zero. Hearts are a red suit.

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