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1. If A and B independent events and if P (A) = .45, P(B) = .5 and P (A B) = .5 and P (A B) = .7, determine P(B A).
2. An urn contains 8 white, 5 red and 3 blue chips. A person selects 4 chips without replacement. Determine the following probabilities: (Leave answers in fraction form and do not multiply out any fractions.)
a) P(Exactly 2 chips are white)
b) P(The third chip is red)
4. Determine the value of 6/3
5. Two events, A and B, are such that P(A) = .45, P(B) = .65, and P(A B) = .25, determine P (B A
6. Two cards are drawn from a standard deck of cards. Determine the probability that the first card is a Heart and the second card is an Ace.
Use a 5% significance level (95% confidence level) to test the claim that the different vehicle categories have the same mean MPG.
A person asks, "what do you think is the ideal number of children for a family to have?" The 497 females who responded had a median of 2, mean of 3.02, and a standard deviation of 1.81.
a calculate a confidence intervals for p1 at 1 significance level. mu 395625 sd78550. are the confidence intervals
Suppose event A has a 0.99 probability of occurring and event B has a 0.98 probability of occurring.
the acceptable level for insect filth in a certain food item is 4 insect fragments per 10 grams. a sample random of 50
In a survey of 750 senior business executives by Business Week magazine, 56% indicated that they felt that even if merit and abilities are equal, people with MBAs often get promoted faster than people without the degree. Prepare a 92% confidenc..
Suggest a qualitative research design and three possible methods of collecting qualitative data for the action research study you are proposing.
If the standard deviation is $1050, how large a sample is needed to get the desired information and to be accurate within $200?
Determine the probability that between 5 and 10 minutes will pass between successive occurrences.
A medical researcher found a significant relationship among a person's age x1, cholesterol level x2, sodium level of the blood x3, and systolic blood pressure y.
a multinomial experiment produced the following resultscategory123frequency12887185the null hypotheses is h0 p10.30
The opportunity to apply ethical theories to the complex issue of ageism
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