x~binomial(n=50,p=0.65)
using binomial approximation to normal as n is large
=n*p=50*0.65=32.5
=sqrt(n*p*(1-p))=sqrt(50*0.65*0.35)=3.37
#probabilty al least 25 will be smokers is P(X>25)
P(X>25)=P((x-)/
>(25-32.5)/3.37)
=P(Z>-2.22)
value of z is obtain from standrd normal table
=0.9868
#option B is correct
Question 7 The chance of having a smoker is 65% compared to non-smokers in n college....
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s Question Completion Status: QUESTION 65 Please complete the calculations for the following questions. You must correctly explicitly state the including the disease/outcome, the place of interest, and the time/duration or appropriate time units (for example: "Smokers had 5.2 times the odds of having lung cancer compared to non-smokers context of your answer by A 15 year follow-up study was conducted examining the relationship between environmental tobacco smoke (ETS) and developing a myocardial infarction (MI). ETS was measured based on...
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Assume that any student has a 25% chance of getting into a certain college. Let the random variable X denote the number of students (from a total of 5 students who apply) who get into the school. For the following problems do not use calculator commands. a. What are the parameters n and p for the distribution? b. What is the expected number of students (out of the 5) who will be accepted to the school? c. Find the standard...
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question 19 b
n=114
p=0.14
question 21
design life (50) months
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-3 motors?
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discrete math
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5-8 show work
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