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Question: A deck of cards is cut into two halves of 26 cards each. As it turns out, the top half contains 3 aces and the bottom half just one ace. The top half is shuffled, then cur into two halves of 13 cards each. One of these packs of 13 cards is shuffled into the bottom half of 26 cards, and from this pack of 39 cards, 5 cards. What is the expected number of aces among these 5 cards?
the life span of a battery is normally distributed with a mean of 2400 hours and a standard deviation of 20 hours.a.
Determine the sample proportion, p, of successful people. If the population proportion is 0.70, determine the standard error of the proportion.
Using a 0.01 level of significance, test the claim that the tutoring has an effect on the math scores.
car manufacturers are concerned about meeting new government regulations on fuel efficiency. audi knows that their
The Genetics & IVF Institute conducted a clinical trial of the XSORT method designed to increase the probability of conceiving a boy. As of this writing, 291 babies were born to parents using XSORT method, and 239 of them were boys. Use a 0.01..
in an analysis in investigating the usefulness of pennies the cents portion of 100 randomly selected credit card
One environmental group did a study of recycling habits in a California community. It found that 73% of the aluminum cans sold in the area were recycled. (Round your answers to four decimal places.)
If five recent graduates from Canadian universities and colleges are selected at random, what is the probability that at least one would be a woman.
Do women and men have different opinions about affirmative action? Based on a sub sample of 2008 GSS, the output figure below shows respondent's sex (sex) and attitudes toward affirmative action (DISCAFF: Are whites hurt by affirmative action).
a sports league is making up their season schedule. the league has 12 teams with eight teams from la and the rest from
(i) Write down all possible choices of two of the five names. This is the sample space. (ii) The random drawing makes all choices equally likely. What is the probability of each choice? (iii) What is the probability that Mei-Ling is chosen?
in statistics you learn about type i and type ii errors. a type i error occurs when a statistical test rejects a
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