I cant figure out part b or c Do Homework-Michael Munoz-Ramirez-Mozilla Firefox

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I cant figure out part b or c

Do Homework-Michael Munoz-Ramirez-Mozilla Firefox e https://www.mathal.com Student payerHomew orka spo?homewodd 4456825 · STA 4032 19785-003 F017 Moosa Homework: Section 2.5 Homework save Score: 0 of 1 pt 3 of 12 (12 complete) w score: 87.5%, 105 of Su X) 2.5.52 Help * Question Suppose that in a senior college class of 500 students, it is found that 175 smoke, 217 drink alcoholic beverages, 187 eat between meals, 94 smoke and drink alcaholic beverages, 58 eat between meals and drinkPE alcoholic beverages, 75 smoke and eat between meals, and 30 engage in all three of these bad health practices. hea If a member of this senior class is selected at random, find the probability that the student (a) smokes but does not drink alcoholic beverages; (b) eats between meals and drinks alcoholic beverages but does not smoke, (c) neither smakes nor eats between meals 162 (a) P(smokes but does not drink alcoholic beverages) (Type an integer or a decimal. Do not round.) (b) P(eats between meals and drinks alcoholic beverages but does not smoke) Type an integer or a decimal. Do not round) (a) Mo Enter your answer in the answer box and then click Check Answer part remaining Clear All OType here to search goe@ FS F6 F8 2 4 6 Tab QWE

Explanation / Answer

from above:

a)P(smokes but does not drink) =P(Smokes)-P(smokes and drink) =(175-94)/500 =0.162

b)P(eats meals and drink but not smokee) =P(eat meals drink)-P(eat meals drink and smoke)

=(58-30)/500= 0.056

c)

P(neither smokes nor eats) =10P(smoke or eats) =1-(175+187-75)/500=1-0.574=0.426

N(smoke) 175 N(drink) 217 N(eat b/w) 187 N(smokes and drink) 94 N(eat b/w and drink) 58 N(smokes and eat b/w) 75 N(drink; smoke and eat b/w) 30

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