Suppose you have an experiment where you flip a coin three times. You then count the number of heads. a) State the random variable. Select an answer rv X = the number of heads flipped rv X = flipping a coin rv X = the probability that you flip heads rv X = number of coins flipped rv X = the number of heads flipped when you flip a coin three times b) Write the probability distribution for the number of heads. Make sure to put the values of X from smallest to largest. X P(X) c) If you were to draw a histogram for the number of heads, what shape would it be?
Suppose you have an experiment where you flip a coin three times. You then count the number of heads. a) State the random variable. Select an answer rv X = the number of heads flipped rv X = flipping a coin rv X = the probability that you flip heads rv X = number of coins flipped rv X = the number of heads flipped when you flip a coin three times b) Write the probability distribution for the number of heads. Make sure to put the values of X from smallest to largest. X P(X) c) If you were to draw a histogram for the number of heads, what shape would it be?
Chapter8: Sequences, Series,and Probability
Section8.7: Probability
Problem 4ECP: Show that the probability of drawing a club at random from a standard deck of 52 playing cards is...
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Suppose you have an experiment where you flip a coin three times. You then count the number of heads.
a) State the random variable.
Select an answer rv X = the number of heads flipped rv X = flipping a coin rv X = the probability that you flip heads rv X = number of coins flipped rv X = the number of heads flipped when you flip a coin three times
b) Write the probability distribution for the number of heads.
Make sure to put the values of X from smallest to largest.
| X | P(X) |
c) If you were to draw a histogram for the number of heads, what shape would it be?
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