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In a population of 500 voters, 40% belong to Party X. A simple random sample of 60 voters is taken. What is the chance that a majority (more than 50%) of the sampled voters belong to Party X?
 one year ago
 one year ago
In a population of 500 voters, 40% belong to Party X. A simple random sample of 60 voters is taken. What is the chance that a majority (more than 50%) of the sampled voters belong to Party X?
 one year ago
 one year ago

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perlBest ResponseYou've already chosen the best response.1
this is a binomial problem n = 500 , p = .4 , we want probability more than 50% of 500 chose party X. so more than 250 So we want the cumulative probability of x = 251 , 252, 253, ... 499 , 500 Do you have a solution in your book?
 one year ago

perlBest ResponseYou've already chosen the best response.1
the speed of the canadian goose is 35 km / 45 minutes = (35/45) km / min the speed of the hummingbird is 35 km/ 60 minutes = (35/60) km / min ok so far? now lets change to km/hr
 one year ago

perlBest ResponseYou've already chosen the best response.1
this is a binomial problem n = 60, p = .4 , we want probability more than 50% of a sample of 60 chose party X. So we want probability of more than 30 So we want the cumulative probability of x = 31 , 32, 33, ...58,59,60
 one year ago

perlBest ResponseYou've already chosen the best response.1
on a TI 83 calculator you can solve 1  binomcdf( 60, .4, 30) , that will give you probability there is more than 50% choosing party x in your sample
 one year ago

abhi_abhiBest ResponseYou've already chosen the best response.0
0.044480314 is correct ans??? @perl
 one year ago

abhi_abhiBest ResponseYou've already chosen the best response.0
@KABRIC plz explain method .. how to solve this problem. n what is the correct ans ??
 one year ago

KABRICBest ResponseYou've already chosen the best response.0
i am looking forward to that too friend
 one year ago

abhi_abhiBest ResponseYou've already chosen the best response.0
@KABRIC if u got method n soln plz explain me .. how to solve and correct ans
 one year ago

KABRICBest ResponseYou've already chosen the best response.0
ok will let you know if i solve this one right ok
 one year ago

KABRICBest ResponseYou've already chosen the best response.0
anyone with a more simple approach at this problem plz
 one year ago

dinakarBest ResponseYou've already chosen the best response.0
In an egg carton there are 12 eggs, of which 9 are hardboiled and 3 are raw. Six of the eggs are chosen at random to take to a picnic (yes, the draws are made without replacement). Find the chance that at least one of the chosen eggs is raw.
 one year ago
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