7 questions Identify the given random variable as being discrete or continuous, statistics homework help
6. Identify the given random variable as being discrete or continuous.
RV: The weight of the gold stored in Fort Knox.
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Continuous |
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Discrete |
7. Identify the given random variable as being continuous or discrete.
RV: The height of the last airplane that departed from JFK Airport in NYC.
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Continuous |
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Discrete |
8. Identify the given random variable as being continuous or discrete.
RV: The number of cars in San Francisco that crashed last year.
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Continuous |
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Discrete |
9. Identify the given random variable as being continuous or discrete.
RV: The time required to fly from Los Angeles to Shanghai.
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Continuous |
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Discrete |
10. Identify the given random variable as being continuous or discrete.
RV: The number of cans of soft drinks that you consumed in the past year.
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Continuous |
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Discrete |
11. In the following table, what number should be inserted to make the table represent a probability distribution? Write your answer as a decimal.
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X |
1 |
2 |
3 |
4 |
5 |
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P(X) |
0.1 |
0.2 |
0.3 |
0.2 |
? |
12. One ball is drawn from a bag in which there are 1 black ball, 4 white balls, and 5 yellow balls. The number of black balls is counted. Let x determine a random variable that counts number of black balls. Fill in the missing part of the distribution table. Please use the fraction form for your answer (a/b)
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X |
P(X) |
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0 balls |
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1 ball |
