SOLUTION: (60 points) On a table in a doctor’s office are five Motor Trend magazines, six Parenting magazines, and three Sports Illustrated magazines. If a patient randomly selects three mag
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Question 1119744: (60 points) On a table in a doctor’s office are five Motor Trend magazines, six Parenting magazines, and three Sports Illustrated magazines. If a patient randomly selects three magazines, determine the probability that
a. three Motor Trend magazines are selected.
b. two Parenting magazines and one Sports Illustrated magazine are selected.
c. no Parenting magazine is selected.
d. at least one Parenting magazine is selected
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(60 points) On a table in a doctor’s office are five Motor Trend magazines, six Parenting magazines, and three Sports Illustrated magazines.
If a patient randomly selects three magazines, determine the probability that
First notice that the total number of magazines = 5 + 6 + 3 = 14.
a. three Motor Trend magazines are selected. Probability = .
b. two Parenting magazines and one Sports Illustrated magazine are selected. Probability = .
c. no Parenting magazine is selected. Probability = .
Here 8 = 14-6 is the number of magazines on the table excluding 6 Parenting magazines.
d. at least one Parenting magazine is selected Probability = complement to the "c"Probability.
Solved.
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In order for solve such problems with confidence and understand the solution, when it is presented to you, you should know the basics.
In this case, the basics is the info about Combinations.
