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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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hurrayforbio hurrayforbio
wrote...
11 years ago
The probability a student does not believe in Global warming .7.
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wrote...
#1
11 years ago
sum n=7 to 15 {[n C 15] * (.7)^n * (.3)^(15-n)}

Add all the binomial probabilities from 7 through 15, which is what that formula means.
wrote...
#2
11 years ago
Binomial situation with n = 15 and p = 0.7

P(7 or more) = 1 - P(6) - P(5) . . . - P(2) - P(1) - P(0)

P(6) = (15C6)*0.7^6*0.3^9 = 0.0116 (4 dec. pl.)

I'll leave you to work out the probabilitites for 5 to 0 and subtract them all from 1.
wrote...
#3
11 years ago
It depends whether they're American or people who actually are open to something new with evidence to back it up.
wrote...
#4
11 years ago
Depends on how liberal the are. hopefully none of them believe it. Earth has been around for 4.55 BILLION years and in 1 Decade Humans will Destroy it from a little smoke

ha ha good luck
Nice scare tactic's Liberals
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