Mathematics

Mathematics, 12.07.2019 20:10, pennygillbert

Nbc news reported on may 2, 2013, that 1 in 20 children in the united states have a food allergy of some sort. consider selecting a random sample of 25 children and let x be the number in the sample who have a food allergy. then x ~ bin(25, 0.05).

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Mathematics, 22.06.2019 18:10, sofiimadison

Nbc news reported on may 2, 2013, that 1 in 20 children in the united states have a food allergy of some sort. consider selecting a random sample of 25 children and let x be the number in the sample who have a food allergy. then x ~ bin(25, 0.05). (round your probabilities to three decimal places.) (a) determine both p(x < = 3) and p(x < 3). (b) determine p(x > = 4). (c) determine p(1 < = x < = 3). (d) what are e(x) and sigma (x)? (e). in a sample of 50 children, what is the probablity that none have a food allergy?

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Mathematics, 30.07.2019 03:10, tanaemichel

Aresearcher claims that at least 10% of young children suffer from some food allergy. a survey of food allergies in a random sample of 184 young children found that 13 had some food allergy. the test statistic for the above hypothesis test about young children that have food allergies (give your answer as a decimal rounded to the nearest hundredths)

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Mathematics, 11.09.2019 23:30, myaj580

Nbc news reported on may 2, 2013, that 1 in 20 children in the united states have a food allergy of some sort. consider selecting a random sample of 25 children and let x be the number in the sample who have a food allergy. then x , bin(25, .05).a. determine both p(x # 3) and p(x , 3).b. determine p(x $ 4).c. determine p(1 # x # 3).d. what are e(x) and sx? e. in a sample of 50 children, what is the probability that none has a food allergy?

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Mathematics, 18.10.2019 20:00, kfnldkl1782

According to the national institute of allergy and infectious diseases, approximately 7% of american children 4 years of age or under have a food allergy. a day care has capacity for 8 children in that age range. assume that the children attending the daycare are independent. let the random variable x be the number of children in this day care who have a food allergy. the probability p(x < 2) is

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