(e)-7 Need Help? a survey of 2080 are problems. 880 said that abused or neglecte

Question

(e)-7 Need Help? a survey of 2080 are problems. 880 said that abused or neglected 660 sald that malnutrition or students in poor health is a problem 110 said that lack of parental support and abused or neglected children are problems 30 said that lack of parental support and malnutrition or poor health are probiems 140 said that tbused or negjected children and mainutrition or poor health are problems. 20 said that lack of parental support, abuse or neglect, and mainutrition or poor health are problems what is the probability that , teacher selected at random from this group said that lack of parental support is the only problem hampering a studers schooing, Hint: Daw·venn dagram (Round your answer to three decimal places.) 336 to see how long 3 MacBook Air 20 B

Explanation / Answer

HEre total number of facuty samplled = 2080

HEre if A = lack of parental support

B = Abused and neglected children

C = malnutrititon

so we have to find in this question first the number of faculty saying that lack of parental support is the only problem

Number of such persons = Total Children with lack of parental support - ( Childrenwith lack of parental support and abused or neglected children +  Children with lack of parental support and malnutrition or poor health) + ( Children who have all three problems)

= 860 - (90 + 110) + 20

= 680

Pr(SUch persons) = 680/2080 = 0.327

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