If E and F are two events. P(E) = 0.28, P(F) = 0.36, P(F|E) = 0.10 Find P(E and F) Round to three decimals
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If E and F are two
Find P(E and F)
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- Find the probability of the indicated event if P(E)=0.30 and P(F)=0.45. Find P(E or F) if P(E and F)=0.15.Victoria plays college soccer. She makes a goal 70% of the time she shoots. Victoria is going to attempt two goals in a row in the next game. A = the event Victoria is successful on her first attempt. P(A) = 0.7. B = the event Victoria is successful on her second attempt. P(B) = 0.7. Victoria tends to shoot in streaks. The probability that she makes the second goal given that she made the first goal is 0.8.a. What is the probability that she makes both goals? b. What is the probability that Victoria makes either the first goal or the second goal?Fifty percent of consumers prefer to purchase electronics online. You randomly select 8 consumers. Find the probability that the number of consumers who prefer to purchase electronics online is more than five Find the probability that the number that prefer to purchase electronics online is more than five. P(x > 5) = (Round to three decimal places as needed.)
- Find the probability of the indicated event if P(E)= 0.40 and P(F)=0.50. Find P(E or F) if P(E and F) = 0.05. P(E or F) = (Simplify your answer.)The probability Kayla will score above 80% on a mathematics test is 0.60. Kayla will take five tests this semester. We want to find the probability she will score above 80% on exactly four out of the five tests. What is the probability of Kayla scoring above 80% on exactly four out of the five tests?Find the probability of the indicated event if P(E) = 0.25 and P(F) = 0.35. Find P(E or F) if P(E and F)= 0.20. P(E or F) =| (Simplify your answer.)
- Math Q.3Sara took two tests. The probability of her passing both tests is 0.6. The probability of her passing the first test is 0.8 . What is the probability of her passing the second test given that she has passed the first test? Select one: a. 0.35 b. 0.75 c. 0.48 d. 0.60Decide whether or not the two events in question are independent or whether it is not possible to tell. Justify your answers. P(B) = 0.8 and P(B| A) = 0.6
- L9Q10.The probability that a child is born physically challenged is 0.35 during a year in a city. What would be the probability that a child is born healthy in the city? A.0.15 B.0.50 C.0.55 D.0.65A hockey player is to take 3 shots on a certain goalie. The probability he will score a goal on his first shot is 0.3. If he scores on his first shot, the chance he will score on his second shot increases by 0.1; if he misses, the chance that he scores on his second shot decreases by 0.1. This pattern continues to on his third shot: If the player scores on his second shot, the probability he will score on his third shot increases by another 0.1; should he not score on his second shot, the probability of scoring on the third shot decreases by another 0.1. A random variable X counts the number of goals this hockey player scores. (a) Complete the probability distribution of X below. Use four decimals in each of your entries. X P(X = x) (b) How many goals would you expect this hockey player to score? Enter your answer to four decimals. E(X)= 1 2 3 (c) Compute the standard deviation the random variable X. Enter your answer to two decimals. SD(X) =Suppose a weather report indicates that the probability of rain this week is 0.20. According to the report, if it rains this week, then the probability of rain next week is 0.32. If it does not rain this week, then the probability of rain next week is 0.13. The tree diagram models this weather report. Determine the probability that it will not rain for the next two weeks. Express your answer as a decimal precise to two decimal places. Probability=?
