There are 20 people in a room, 15 men and 5 women. Ten of the men are 30 years of age or older and the other five are under 30. Four of the women are under 30 and one is over 30.

If I pick a person at random what is the probability of picking a man? A woman?

If I pick a person at random what is the probability the person will be male or over 30?

If I pick a person at random what is the probability the person will be female or under 30?

If I pick two people at random what is the probability of picking a man on the first pick and a woman on the second without replacement? What would the probability be with replacement?

As you know, BrainMass is not an assignment-completion service. This response is meant to assist you in tackling your questions and to help you learn the material needed to understand ...

... General rules for calculating probabilities Type of probability Identification Computation method Marginal Probability of Number of events under some stand ...

... This solution uses basic probability principles to find probabilities that Penn State sports fans are "Rabid" or "Casual", taking into account if they view the ...

... µ Standardizing the variable X using Z = = and from standard σ 20 normal tables, we can find the probabilities as follows. a. What is the probability that a ...

... 12. Given the following probability distribution, determine the given probabilities: x P(x) 0 0.10 1 0.20 2 0.55 3 0.15. a). P(x < 1) = b). P(1 < x < 3) =. ...

... 5) The probability that Apu sells exactly 8 tofu dogs in a day is. 6) The probability that Apu sells 7 or more tofu dogs in a day is. 7) Let X denote the payoff ...

... 4. If two events are mutually exclusive, we can _____ their probabilities to determine the union probability. A. Divide B. Add C. Multiply D. Subtract. ...

Probability Distribution Questions: Normal, Poisson using Excel worksheet functions. ... Reject region Lower limit 19.8 Upper limit 20.3. Probability of reject. ...