finite mathametics

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opfjnt

Mathematics

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math home work,i don't not need to see the work, I would just like the answers, please and thank you : ) there are 2 more imaged i will when who ever acceptors the bid, because there is an limit of images you can upload.

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16. -/1 points WaneFM7 7.1.025. My Notes Ask Your Teacher Suppose two dice (one red, one green) are rolled. Consider the following events. A: the red die shows 3; B: the numbers add to 6; C: at least one of the numbers is 5; and D: the numbers do not add to 8. Express the given event in symbolic form. HINT (See Example 5.] The numbers do not add to 6. B D D' B' BUD How many elements does it contain? 17. -/1 points WaneFM7 7.1.027. My Notes Ask Your Teacher Suppose two dice (one red, one green) are rolled. Consider the following events. A: the red die shows 4; B: the numbers add to 7; C: at least one of the numbers is 4; and D: the numbers do not add to 11. Express the given event in symbols. HINT [See Example 5.] The numbers do not add up to 7, but they do add up to 11. BUD B'n D B'UD BnD B' n D' How many elements does it contain? 20. -/1 points WaneFM7 7.1.050. My Notes Ask Your Teacher The following table shows the results of a survey of authors by a (fictitious) publishing company. HINT [See Example 5.] New Authors Established Authors Total Successful 6 14 20 Unsuccessful 8 6 14 Total 14 20 34 Consider the following events: S: an author is successful; U: an author is unsuccessful; N: an author is new; and E: an author is established. Describe the events NnU and NUU in words. NnU is the event that an author is ---Select--- NUU is the event that an author is ---Select--- Use the table to compute n(N n U) and n(N U U). n(Na U) = n(NU U) = 21. -/1 points WaneFM7 7.1.070. My Notes Ask Your Teacher Use counting arguments from the preceding chapter. My couch potato friend enjoys sitting in front of the TV and grabbing handfuls of 5 chocolates at random from his snack jar. Unbeknownst to him, I have replaced one of the 16 chocolates in his jar with a cashew. (He hates cashews with a passion.) How many possible outcomes are there the first time he grabs 5 chocolates? outcomes How many of these include the cashew? outcomes 22. -/1 points WaneFM7 7.2.037. My Notes Ask Your Teacher The following table shows the results of a survey of 500 authors by a publishing company. New Authors Established Authors Total Successful 50 115 165 Unsuccessful 100 235 335 Total 150 350 500 Compute the relative frequency of the given event if an author as specified is chosen at random. An author is established and successful. 23. -/1 points WaneFM7 7.2.039. My Notes Ask Your Teacher The following table shows the results of a survey of 100 authors by a publishing company. New Authors Established Authors Total Successful 4. 27 31 Unsuccessful 20 49 69 Total 24 76 100 Compute the relative frequency of the given event if an author as specified is chosen at random. An author is a new author. 24. -/1 points WaneFM7 7.2.043. My Notes Ask Your Teacher The following table shows the results of a survey of 200 authors by a publishing company. New Authors Established Authors Total Successful 16 50 66 Unsuccessful 36 98 134 Total 52 148 200 Compute the relative frequency of the given event if an author as specified is chosen at random. A successful author is established. 25. -/1 points WaneFM7 7.2.045. My Notes Ask Your Teacher The following table shows the results of a survey of 400 authors by a publishing company. New Authors Established Authors Total Successful 28 96 124 Unsuccessful 76 200 276 Total 104 296 400 Compute the relative frequency of the given event if an author as specified is chosen at random. An established author is successful. 26. -/1 points WaneFM7 7.3.001. My Notes Ask Your Teacher Complete the following probability distribution table and then calculate the stated probabilities. HINT [See Quick Example 5.] Outcome a b C d e Probability 0.3 0.01 0.4 0.09 (a) Pl{a, c, e}) P({a, c, e}) = (b) P(EU F), where E = {a, c, e} and F = {b, c, e} P(EU F) = (c) P(E'), where E is as in part (b) P(E) = (d) P(En F), where E and F are as in part (b) P(En F) = 27. -/1 points WaneFM7 7.3.020. My Notes Ask Your Teacher If two indistinguishable dice are rolled, what is the probability of the event {(4,4), (3, 4), (1,4)}? HINT [See Example 2.] What is the corresponding event for a pair of distinguishable dice? {(4,4), (3, 4), (1, 4)} {(4,4), (3, 4), (1, 4), (4, 1), (4,3)} {(4,4), (3, 3), (1, 1), (4, 1), (4,3)} {(3, 4), (1, 4), (4, 1), (4,3)} {(3, 4), (1,4)}
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Explanation & Answer

Here are my solutions! Watch the numbers closely as they may not be in the same order as you uploaded them.

9. 10C3
120 portfolios
6C3
20 portfolios
5C3 * 5C0 = 10 * 1 = 10
5C2 * 5C1 = 10 * 5 = 50
50+10 ...


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