Homework Answers
13) P(no rain today and no rain tomorrow) = P(no rain today) * P(no rain tomorrow) = (1 - 0.6) * (1 - 0.5) = 0.2
14) P(rain exactly on one day) = P(rain today and no rain tomorrow) + P(no rain today and rain tomorrow)
= (P(rain today) * P(no rain tomorrow)) + (P(no rain today) * P(rain tomorrow))
= (0.45 * (1 - 0.2)) + ((1 - 0.45) * 0.2)
= 0.47
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13. 0/7.14 points Previous Answers My Notes Draw an appropriate tree diagram, and use the multiplication principle to c...
Draw an appropriate tree diagram, and use the multiplication principle to calculate the probabili...
Draw an appropriate tree diagram, and use the multiplication principle to calculate the probabilities of all the outcomes. HINT [See Example 3.] There is a 30% chance of rain today and a 20% chance of rain tomorrow. Assume that the event that it rains today is independent of the event that it rains tomorrow. What is the probability that it rains on exactly one of the next two days?
3. + -/12.5 points WaneFMAC7 8.6.006. My Notes Use Bayes' theorem or a tree diagram to calculate the indicated probabil...
3. + -/12.5 points WaneFMAC7 8.6.006. My Notes Use Bayes' theorem or a tree diagram to calculate the indicated probability. Round your answer to four decimal places. HINT (See Example 3.] Y1, Y2, Yz form a partition of S. P(X Y ) = .7, P( X Y ) = .1, PCX Y3) = .6, P(Y) = .1, P(Y2) = .4. Find P(Y1 | X). P( YX) = 4. -/12.5 points WaneFMAC7 8.6.011. My Notes Suppose that it snows in Greenland...
+ 0/12.5 points Previous Answers WaneFMAC7 8.6.006. Мy Notes Use Bayes' theorem or a tree diagram...
+ 0/12.5 points Previous Answers WaneFMAC7 8.6.006. Мy Notes Use Bayes' theorem or a tree diagram to calculate the indicated probability. Round your answer to four decimal places. HINT [See Example 3.] = .2, P(Y1) = 1, P(Y2) = .4. Find P(Y, | X). Y, 2,Yform a partition of S. P(X | Y) = .9, P(X | Y2) = 1, P(X | Y3) P(Y1 X) Enter a number. Submit Answer Practice Another Version
5. 0/7.14 points Previous Answers WaneFMAC7 8.5.019. Find the conditional probability of the indicated event when...
5. 0/7.14 points Previous Answers WaneFMAC7 8.5.019. Find the conditional probability of the indicated event when two fair dice (one red and one green) are rolled. HINT (See Example 1.] The red one is 6, given that the sum is 8. Submit Answer Practice Another Version 6. + -17.14 points WaneFMAC7 8.5.018. Find the conditional probability of the indicated event when two fair dice (one red and one green) are rolled. HINT (See Example 1.] The sum is 3, given...
answer the most q's possible thank you so much 1. 0/1 points Previous Answers WaneFMAC78.4.001 My...
answer the most q's possible thank you so much
1. 0/1 points Previous Answers WaneFMAC78.4.001 My Notes Ask Your Teacher Recall from Example 1 that whenever Suran sees a bag of marbles, she grabs a handful at random. She has seen a bag containing the red marbles, five green ones, two white ones, and three purple ones. She grabs eight of them. Find the probability of the following event, expressing it as a fraction in lowest terms. HINT(See Example 1.)...
2/3 Points] DETAILS PREVIOUS ANSWERS WANEFMAC7 8.4.004.NVA MY NOTES PRACTICE ANOTHER Recall from Example 1 that...
2/3 Points] DETAILS PREVIOUS ANSWERS WANEFMAC7 8.4.004.NVA MY NOTES PRACTICE ANOTHER Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing four red marbles, three green ones, four white ones, and one purple one. She grabs eight of them. Find the probability of the following event, expressing it as a fraction in lowest terms. HINT (See Example 1.] She has at least one green one. 114...
10. 6.66/10 points | Previous Answers WaneFMAC7 9.4.043. My Notes According to a study, the probability...
10. 6.66/10 points | Previous Answers WaneFMAC7 9.4.043. My Notes According to a study, the probability that a randomly selected teenager shopped at a mall at least once during a week was 0.63. Let X be the number of students in a randomly selected group of 50 that will shop at a mall during the next week. (a) Compute the expected value and standard deviation of X. (Round your answer to two decimal places.) Hint [See Example 5,] expected value...
0/6.66 points Previous Answers WaneFMAC6 P.2.029 6. My Notes Your company's new series "Avocado Comedy Hour"...
0/6.66 points Previous Answers WaneFMAC6 P.2.029 6. My Notes Your company's new series "Avocado Comedy Hour" has been a complete flop, with viewership continuously declining at a rate of 26% per month. Use a suitable density function to calculate the probability that a randomly chosen viewer will be lost sometime in the next four months. (Round your answer to four decimal places.) 4524 7 0/6.66 points Previous Answers WaneFMAC7 9.5.005 My Notes Z is the standard normal distribution. Find the...
4. [0/20 Points] DETAILS PREVIOUS ANSWERS WANEFMAC7 13.3.012.NVA MY NOTES Use the given graph to estimate...
4. [0/20 Points] DETAILS PREVIOUS ANSWERS WANEFMAC7 13.3.012.NVA MY NOTES Use the given graph to estimate the left Riemann sum for the given interval with the stated number of subdivisions. HINT (See Example 3.] (Round your answer to the nearest integer.) [0, 16), n = 4 15 2 6 10 14 Need Help? Watch It Talk to a Tutor Submit Answer
4. 165/3 points 1/3 Submissions Used My Notes Ask Your T A professor has noticed that...
4. 165/3 points 1/3 Submissions Used My Notes Ask Your T A professor has noticed that students that attend class regularty, miss no more than two classes per term, generally get better grades. For the class, the overall percent of students who attend regularly is 6。6. Of those who come to class on a regular basis, 45% receive A's. Of those who don't attend regularly, only 6% get A's. Draw a tree diagram like the one in the image, where...
3. + -/12.5 points WaneFMAC7 8.6.006. My Notes Use Bayes' theorem or a tree diagram to calculate the indicated probability. Round your answer to four decimal places. HINT (See Example 3.] Y1, Y2, Yz form a partition of S. P(X Y ) = .7, P( X Y ) = .1, PCX Y3) = .6, P(Y) = .1, P(Y2) = .4. Find P(Y1 | X). P( YX) = 4. -/12.5 points WaneFMAC7 8.6.011. My Notes Suppose that it snows in Greenland...
+ 0/12.5 points Previous Answers WaneFMAC7 8.6.006. Мy Notes Use Bayes' theorem or a tree diagram to calculate the indicated probability. Round your answer to four decimal places. HINT [See Example 3.] = .2, P(Y1) = 1, P(Y2) = .4. Find P(Y, | X). Y, 2,Yform a partition of S. P(X | Y) = .9, P(X | Y2) = 1, P(X | Y3) P(Y1 X) Enter a number. Submit Answer Practice Another Version
5. 0/7.14 points Previous Answers WaneFMAC7 8.5.019. Find the conditional probability of the indicated event when two fair dice (one red and one green) are rolled. HINT (See Example 1.] The red one is 6, given that the sum is 8. Submit Answer Practice Another Version 6. + -17.14 points WaneFMAC7 8.5.018. Find the conditional probability of the indicated event when two fair dice (one red and one green) are rolled. HINT (See Example 1.] The sum is 3, given...
answer the most q's possible thank you so much
1. 0/1 points Previous Answers WaneFMAC78.4.001 My Notes Ask Your Teacher Recall from Example 1 that whenever Suran sees a bag of marbles, she grabs a handful at random. She has seen a bag containing the red marbles, five green ones, two white ones, and three purple ones. She grabs eight of them. Find the probability of the following event, expressing it as a fraction in lowest terms. HINT(See Example 1.)...
2/3 Points] DETAILS PREVIOUS ANSWERS WANEFMAC7 8.4.004.NVA MY NOTES PRACTICE ANOTHER Recall from Example 1 that whenever Suzan sees a bag of marbles, she grabs a handful at random. She has seen a bag containing four red marbles, three green ones, four white ones, and one purple one. She grabs eight of them. Find the probability of the following event, expressing it as a fraction in lowest terms. HINT (See Example 1.] She has at least one green one. 114...
10. 6.66/10 points | Previous Answers WaneFMAC7 9.4.043. My Notes According to a study, the probability that a randomly selected teenager shopped at a mall at least once during a week was 0.63. Let X be the number of students in a randomly selected group of 50 that will shop at a mall during the next week. (a) Compute the expected value and standard deviation of X. (Round your answer to two decimal places.) Hint [See Example 5,] expected value...
0/6.66 points Previous Answers WaneFMAC6 P.2.029 6. My Notes Your company's new series "Avocado Comedy Hour" has been a complete flop, with viewership continuously declining at a rate of 26% per month. Use a suitable density function to calculate the probability that a randomly chosen viewer will be lost sometime in the next four months. (Round your answer to four decimal places.) 4524 7 0/6.66 points Previous Answers WaneFMAC7 9.5.005 My Notes Z is the standard normal distribution. Find the...
4. [0/20 Points] DETAILS PREVIOUS ANSWERS WANEFMAC7 13.3.012.NVA MY NOTES Use the given graph to estimate the left Riemann sum for the given interval with the stated number of subdivisions. HINT (See Example 3.] (Round your answer to the nearest integer.) [0, 16), n = 4 15 2 6 10 14 Need Help? Watch It Talk to a Tutor Submit Answer
4. 165/3 points 1/3 Submissions Used My Notes Ask Your T A professor has noticed that students that attend class regularty, miss no more than two classes per term, generally get better grades. For the class, the overall percent of students who attend regularly is 6。6. Of those who come to class on a regular basis, 45% receive A's. Of those who don't attend regularly, only 6% get A's. Draw a tree diagram like the one in the image, where...
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