Question
A probability function for a discrete random variable, X, is shown below. Fill in the missing probability, P(X=1), to make this a valid probability function.
A probability function for a discrete random variable, X, is shown below.
Fill in the missing probability, P(X=1), to make this a valid probability function.
x | P(X=x) |
|---|---|
0 | 0.1 |
1 | ? |
2 | 0.2 |
3 | 0.2 |
Calculate the mean ofX. = ? Find the probabilities below. Give your answers to 1 decimal place (1dp), not as a percentage. P(X<1)= ? P(X2)= ? P(X=0orX=3)= ?
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Auditing a risk based approach to conducting a quality audit
Authors: Karla Johnstone, Audrey Gramling, Larry Rittenberg
9th edition
9781133939160, 1133939155, 1133939163, 978-1133939153
