STATISTICS QUIZ EXAM
QUESTIONS AND COMPLETE
100% ANSWERS 100%
VERIFIED CORRECTLY WITH
RATIONALES WELL EXPLAINED
BY EXPERTS AND GRADED A+
LATEST UPDATE 2024 ALREADY
PASSED!!!!!!!WITH 100%
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MATH 225N WEEK 4 STATISTICS QUIZ EXAM QUESTIONS AND COMPLETE 100% ANSWERS 100% VERIFIED CORRECTLY WITH RATIONALES WELL EXPLAINED BY EXPERTS AND GRADED A+ LATEST UPDATE 2024 ALREADY PASSED!!!!!!!WITH 100% GUARANTEED SUCCESS ( ALL YOU NEED TO PASS YOUR EXAMS) A person chooses 1 odd number between 3 to 9 inclusive. What is the sample space in this experiment? S= { 3, 4, 5, 6, 7, 8, 9} If a card is picked at random from a standard 52-card deck, what is the probability of getting a black card or a Queen? 7/13 Suppose you took a poll of kids that like cookies. Out of 10 kids, 7 like cookies. You put each of their names in a bag and randomly draw a name, then replace the name and draw again. If you pull 3 names from the bag and replace them after each draw, what is the probability each name drawn likes cookies? Round to the nearest thousandths. 0.343 C and D are two events with P(C)=0.4,P(D)=0.5, and P(C|D)=0.4. Calculate P(D|C). Give your answer as a decimal to the tenths place. 0.5 A survey of households owned by couples was done. It found the number of children couples had in each household. The following probability distribution of the random variable X was created from that survey. What is the probability of more than two children in a household? X-valueP(X)-00.1310.420.3130.1140.05 Write your answer as a decimal. 0.16 Let N be a random variable defined as the number of days of paid vacation for people in the U.S. Let's suppose A statistician comes up with the following probability function for N: fN(n)={0.15 for n=0,0.15 for n=5,0.35 for n=8,0.1 for n=10, and 0.25 for n=12}. What is the expected value of N? Give your answer as a decimal. 7.55
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