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Suppose that you draw a single card from a standard deck of 52 playing cards.
a. What is the probability that this card is a diamond or club?
b. What is the probability that this card is not a 4?
c. Given that this card is a black card, what is the probability that it is a spade?
d. Let E1 be the event that this card is a black card. Let E2 be the event that this card is a spade. Are E1 and E2 independent events? Why or why not?
e. Let E3 be the event that this card is a heart. Let E4 be the event that this card is a 3. Are E3 and E4 independent events? Why or why not?
If there are 500 students in the school, what is the probability that everyone will pass the exam?
assume that adults have iq scores that are normally distributed with a mean of u105 and a standard deviation o15. find
1. what percentage of people falls between -2 and 2 standard deviations on iq scores if the general population of iq
the results of a recent poll on the preference of shoppers regarding two products are shown below.shoppers
Can the classical approach to probability be used to determine P (less than 60 seconds between green lights)? Why or why not? (d) What about the relative frequency approach? If so, how? If not, why not?
Determine which class has the greatest relative frequency and which has the least.
A bicycle manufacturer makes two types of 21-speed bicycles, Road Bikes and Track Bikes. He has sales staff who sell the bikes on commission. Calculate the unit contribution margin for each product
Based on these results, does te diet appear to be effective? Does the diet appear to have practical significance?
a study was commissioned to investigate the characteristics of properties that are for sale. data was collected on 60
several statistical tests have a way to measure effect size. what is this and when might you want to use it in looking
Each with n = 6 participants. Compute the pooled variance and the estimated standard error for the mean difference. (Use 3 decimal places.)
1. Why is it important to think carefully about decision situations that involve multiple conflicting objectives? 2. Explain the general decision-analysis approach to dealing with multiple objectives.
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