question 37 According an investigation by the Pew Research Center, 15% of grown-ups in the US don't utilize the Internet . Assume that 10 grown-ups in the US are chosen arbitrarily.

section a) Is the choice of the 10 grown-ups a binomial test? Clarify part b) What is the likelihood that none of the grown-ups utilize the web? Part c) what is the likelihood that 3 of the aults utilize the Internet? Part d) What is the likelihood that at any rate 1 of the grown-ups utilizes the web?

Holmes Institute led a study about International Students in Melbourne. The study results are given in the table underneath.

Applied to more than 1 college

Indeed No

Age Group

23 and under 207 201

24-26 299 379

27-30 185 268

31-35 66 193

36 and more than 51 169

I. Set up a joint likelihood table

ii. Given that an understudy applied to more than 1 college, what is the likelihood that the understudy is 24-26 years of age.

iii. Is the quantity of colleges applied to free of understudy age? Clarify

An understudy is evaluating hazard of pickpocket longer than a month (30 days). The measure of cash he carries on his wallet haphazardly shifts everyday. In any case, he saw that by and large, on 10 days he conveys normal 3000 Taka (b) on another irregular 10 days 1500 Taka and (c) on the remainder of multi day's normal 900 Taka. What is his danger consistently? Expect to be that (I) the likelihood of a pick pocket on any irregular day is 1/300 (ii) the cheat shows no sympathy and never leaves behind any cash. :- (

A geologist has gathered 12 examples of basaltic stone and 12 examples of rock. The geologist teaches a research facility right hand to haphazardly choose 19 of the examples for investigation.

+15+

(a) What is the pmf of the quantity of stone examples chosen for examination? (Round your probabilities to four decimal spots, and there ought to be six sets of x and p(x).)

(b) What is the likelihood that all examples of one of the two sorts of rock are chosen for examination? (Round your response to four decimal spots.)

(c) What is the likelihood that the quantity of stone examples chosen for examination is inside 1 standard deviation of its mean worth? (Round your response to four decimal spots.)..

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