Only 4 hearts, 6 clubs and 2 spades were found undamaged in a moth-eaten deck of ancient playing cards. Suppose on every single turn, you randomly select a card from the set of these 12 cards, see it and put it back in the deck. Let's say, you do this 6 times. a. What is the probability that you get exactly 4 clubs after 6 turns? b. What is the probability that you pick more than 3 clubs after 6 turns? c. What is the mean number of hearts picked after 60 turns? d. What is the standard deviation of the number of spades picked after 36 turns?

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Only 4 hearts, 6 clubs and 2 spades were found undamaged in a moth-eaten deck of ancient
playing cards. Suppose on every single turn, you randomly select a card from the set of these 12
cards, see it and put it back in the deck. Let's say, you do this 6 times.
a. What is the probability that you get exactly 4 clubs after 6 turns?
b. What is the probability that you pick more than 3 clubs after 6 turns?
c. What is the mean number of hearts picked after 60 turns?
d. What is the standard deviation of the number of spades picked after 36 turns?
Transcribed Image Text:Only 4 hearts, 6 clubs and 2 spades were found undamaged in a moth-eaten deck of ancient playing cards. Suppose on every single turn, you randomly select a card from the set of these 12 cards, see it and put it back in the deck. Let's say, you do this 6 times. a. What is the probability that you get exactly 4 clubs after 6 turns? b. What is the probability that you pick more than 3 clubs after 6 turns? c. What is the mean number of hearts picked after 60 turns? d. What is the standard deviation of the number of spades picked after 36 turns?
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