The student forum of a high school needs to elect 4 students out of a total of 9 boys and 16 girls running. Show the probability distribution table if the variable being measured is the number of boys, including the column for x∙P(x).

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Q: If X is normal random variable with mean 3 and variance 5, then find the probability P(2 < X <6).

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A: Consider the given information.

Q: Suppose that weight of adolescents is being studied by a health organization and that the…

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Q: Find the probability of 8 or fewer Mexican-Americans among 12 jurors.P(x≤8)= ______ .

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A: Given that, a = 40 b = 90 C=60

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Q: Suppose that the cumulative distribution function of the random variable X: x —1.5)

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Q: If the number of damaged machines (X) has a binomial distribution with the probability of each…

A: Here use binomial distribution

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Q: 2. Suppose the cumulative distribution function of the random variable X is x < -2, - 2 < x < 2, 2<…

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Q: Suppose that weight of adolescents is being studied by a health organization and that the…

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Q: 4. The probabilities of Rui Feng, Michael and Khairul winning the gold medal for the 100-metre…

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Q: The manager of a construction company must decide whether to build single family homes, apartments,…

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Q: 6. Suppose that 25% of all subscribers to a business magazine earn an income of more than $75,000.…

A: Given that  n=20 , p=25%=0.25 , q=1-p=1-0.25=0.75 p=Probability of income more than $75000…

Q: From a sack of fruit containing 3 oranges, 2 apples, and 3 bananas, a random sample of 4 pieces of…

A: From a sack of fruit containing 3 oranges, 2 apples, and 3 bananas, a random sample of 4 pieces of…

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Q: A pencil box contains 5 pink pencils, 7 blue pencils, and 8 yellow pencils. Soroush takes one pencil…

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Q: he average weight of a Coastal male Grizzly Bear is approximately normal with E(x) =795 pounds and…

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Q: 2. The probabilities that a surgeon operates on 3, 4, 5, 6, or 7 patients in any day are 0.10, 0.20,…

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Q: The following table represents the joint probability distribution of the number of people waiting in…

A: Given   Y=0 Y=1 Y=2 Y=3 PX(X=x) X= 0 0.32 0.06 0.025 0.01   X= 1   0.02 0.05 0.07   X=2…

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Q: Suppose that the joint probability for random variables X and Y defined by 01 28 28 28 21 3. 28 ZH…

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Q: 3. Suppose past data tells us that 12% of patients entering a clinic have liver disease and 5% of…

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Q: The following table lists the probability distribution of the number of student taken course per…

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Q: What is the probability distribution if X∼B(3,0.82)?

A: It is given that X~B(3,0.82).

Q: Suppose the number of baskets scored by the Indiana University basketball team in one minute follows…

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Q: From a group of 4 men and 5 women, a committee of size 3 is to be selected. Find the probability…

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Q: Suppose we are interested in the relationship between an individual's brown hair and skin color.…

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Q: 21 Suppose it is known that 40% of Americans own an iPhone. If a random sample of 60 Americans were…

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Q: Consider the random experiment of selecting 5 balls from a box containing 60 Green and 40 white…

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