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The table gives results from a random sample regarding the number of cars in a household. # of cars (X)(X) # of homes (f)(f) P(X)P(X)
The table gives results from a random sample regarding the number of cars in a household.
# of cars (X)(X) | # of homes (f)(f) | P(X)P(X) | XP(X)XP(X) |
---|---|---|---|
0 | 10 | ||
1 | 5 | ||
2 | 5 | ||
3 | 5 | ||
4 | 20 |
This time we will find the standard deviation. First, we complete the table to find the mean. Round your answers in the table to three decimals. =
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