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Holt Mcdougal Larson Pre-algebra: Student Edition 2012
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.8: Probabilities Of Disjoint And Overlapping Events
Problem 2C
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Could you confirm is the first part is right and how I would approach the second and third part of the problem. 

 

(b) Compute the following. 00 OO P(X) + P (Y) - P(X and Y) = (c) Select the answer that makes the equation true. P(X) +P (Y)-P(X and Y)= (Choose one) ▼ X 3 X ? 5 ?
Transcribed Image Text:(b) Compute the following. 00 OO P(X) + P (Y) - P(X and Y) = (c) Select the answer that makes the equation true. P(X) +P (Y)-P(X and Y)= (Choose one) ▼ X 3 X ? 5 ?
A tile is selected at random from 7 tiles. Each tile is labeled with a different letter from the first 7 letters of the alphabet. The 7 possible outcomes are listed below. Note that each outcome has the same probability. Complete parts (a) through (c). Write the probabilities as fractions. (a) Check the outcomes for each event below. Then, enter the probability of the event. Outcomes Probability ABCDE F 4 Event X: Selecting a letter that comes before E 7 5 Event Y: Selecting a consonant (a non-vowel) 7 3 Event X and Y: Selecting a letter that comes before E and a consonant (a non-vowel) 7 3 Event X or Y: Selecting a letter that comes before E or a consonant (a non-vowel) 7 > > > > > > > U U G > > U U U
Transcribed Image Text:A tile is selected at random from 7 tiles. Each tile is labeled with a different letter from the first 7 letters of the alphabet. The 7 possible outcomes are listed below. Note that each outcome has the same probability. Complete parts (a) through (c). Write the probabilities as fractions. (a) Check the outcomes for each event below. Then, enter the probability of the event. Outcomes Probability ABCDE F 4 Event X: Selecting a letter that comes before E 7 5 Event Y: Selecting a consonant (a non-vowel) 7 3 Event X and Y: Selecting a letter that comes before E and a consonant (a non-vowel) 7 3 Event X or Y: Selecting a letter that comes before E or a consonant (a non-vowel) 7 > > > > > > > U U G > > U U U
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