Suppose that in a randomly selected sorority, 52% of members are single, 47% of members attended...
Suppose there is a 16.9% probability that a randomly selected person aged 20 years or older is a smoker. In addition, there is a 28.6% probability that a randomly selected person aged 20 years or older is male, given that he or she smokes. What is the probability that a randomly selected person aged 20 years or older is male and smokes? Would it be unusual to randomly select a person aged 20 years or older who is male and...
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Suppose there is a 19.6% probability that a randomly selected person aged 20 years or older is a jogger. In addition, there is a 12.3% probability that a randomly Jogs? The probability that a randomly selected person aged 20 years or older is male and jogs is (Round to three decimal places as needed.). obability that a randomly selected person aged 20 years or older is male, given that he or she jogs. What is the probability...
3. (5.4) Suppose that two cards are randomly selected from a standard 52-card deck. a) What is the probability that the first card is a king and the second card is a king if the sampling is done without replacement? b) What is the probability that the first card is a king and the second card is a king if the sampling is done with replacement? (With replacement means the card is put back into the deck after the first...
Suppose 100 randomly selected members of a Karaoke club associated with a website are asked how much time they spend on the website during the week. Assume that the population mean isμ = 4 standard deviation is known to be σ = 2.5. A.) What is the probability that the sample mean x̄ is exactly 4.2? B.) What is the probability that the sample mean x̄ is greater than 4.2? C.) What is the probability that the sample mean x̄...
Suppose that two cards are randomly selected from a standard 52-card deck (a) What is the probability that the first card is a queen and the second card is a queen if the sampling is done without replacement? (b) What is the probability that the first card is a queen and the second card is a queen if the sampling is done with replacement? (a) If the sampling is done without replacement, the probability that the first card is a queen and the...
Congress is made up of the House of Representatives and the Senate. Members of the House of Representatives serve two-year terms and represent a district in a state. The number of representatives for each state is determined by population. States with larger populations have more representatives than states with smaller pulations. The total number of representatives is set by law at 435. Members of nate serve six-year terms and represent a state. Each state has 2 senators, total of 100...
The table shows the political party affiliation of each of 67 members of the US Senate in June 2012, and when they are up for reelection. Up for reelection: Democratic Party Republican Party Other Total November 2014 20 13 0 November 2016 10 24 0 Total Suppose that a member of the US Senate is randomly selected. Given that the randomly selected senator is up for reelection in November 2014, what is the probability that this senator is a Republican?...
Suppose there is a 20.9% probability that a randomly selected person aged 25 or older is a smoker. In addition, there is a 18.7% probability that a randomly selected person aged 25 years or older is male, given that he or she smokes. What is the probability that a randomly selected person aged 25 years or older is male and smokes? Would it be unusual to randomly select a person aged 25 years or older who is male and smokes?
Suppose that ? represents the number of cars sold at a dealership in a randomly selected single day. The probability distribution of ? is given in the table below. ? 4 5 6 7 8 9 10 ?(?) 0.02 0.16 0.23 0.26 0.19 0.13 0.01 What is the mean number of cars, ? , sold per day at the dealership? Give your answer in decimal form precise to two decimal places.
Suppose there is a 10.8 % probability that a randomly selected person aged 30 years or older is a jogger. In addition, there is a 28.2 % probability that a randomly selected person aged 30 years or older is female, given that he or she jogs. What is the probability that a randomly selected person aged 30 years or older is female and jogs question mark jogs? Would it be unusual to randomly select a person aged 30 years or...