A group of people were asked if some people see the future in their dreams. 114 responded "Yes", and 326 responded "No". Find the probability that if a person is chosen at random, the person believes some people see the future in their dreams. Probability =  (Round to 4 decimal places)     Giving a test to a group of students, the grades and gender are summarized below Grades vs. Gender   A B C Male 7 2 11 Female 17 13 12 If one student was chosen at random, find the probability that the student got a B. Probability =  (Round to 4 decimal places)

Approximately 18% of shoppers used cellphones to look for deals. THe probability of making a purchase was 0.45 if a person used a cell phone to shop. For a randomly selected shoppers, what is the probability that the person used a cell phone and made a purchase?

Please help me answer the question with details on how to do it. Thank you.  3. A couple plans to have 6 kids. What is the probability that there will be at least three girls? Assume probability  of 0.5 to have a boy and the events are independent.

On the first day of music class, students submitted a survey. One survey question asked students to report which music genre they prefer. Another question asked students how frequently they sing in the shower. The probability that a student prefers metal is 0.7, the probability that a student sings in the shower 1-2 times a week is 0.4 and the probability that a student prefers metal and sings in the shower 1-2 times a week is 0.3. What is the probability that a randomly chosen student prefers metal or sings in the shower 1-2 times a week?

Suppose that we know 10 % of people do not like pizza. If you pick two people at random, what is the probability that the first one does not like pizza but the second one does like pizza? Give your answer as a decimal rounded to three decimal ploces. The probability is

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You took a multiple-choice math test where there were 10 questions and each question had 4 answers to chose from (but only one of them was correct).  What is the probability that you get exactly 9 correct? Be sure to identify your variables.

74.2% of people pass their driving test. Suppose you are trying to get your license. Find the probability you pass on the 3rd try.

You play two games against the same opponent. The probability you win thefirst game is 0.4. If you win the first game, the probability you also win the second is 0.2.If you lose the first game, the probability that you win the second is 0.3. A tie is not anoption.a. Are the two games independent? Explain.b. What’s the probability you lose both games?c. What’s the probability you win both games?d. Let random variable X be the number of games you win. Find the probabilitymodel for X.

Delta Airlines flights from Bostin to Seattle are on time 70% of the time. Suppose 10 flights are randomly selected, and the number of on-time flights is recorded.  round answer to 3 significant figures  the probability that exactly 5 flights are on time is =the probability that at most 7 flights are on time is =the probability that at least 9 flights are on time is=