Answer:
1.)
2.)
3.)
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5.)
6.)
Step-by-step explanation:
I did 6 problems for you. You can now do the other 4 problems and see how I did it. You need to have the same denominator and the add the fractions together.
According to the Harris Poll, 70 % of dog owners buy their dogs holiday presents. Suppose you select a random sample of 25 dog o
wners from among the population of 30 dog owners at the dog park. Let X be a random variable equal to the number of dog owners who buy their dogs holiday presents.
1 answer:
The concluding part is missing in the question and it says we should find the probability that 2 of the people selected cook meals for their dogs
Answer:
P(x2) = 0.1857
Step-by-step explanation:
N = 30; since there are 30 people that own dogs
k = 21; since there are 70% of dog owners who buy gifts for their dogs
n = 25; since we randomly select 25 people among the dog owners
x = 2; since we randomly select 2 people who cook meals for their dogs
Therefore, for clarity sake the solution is in the attachment ;
And the probability is 0.1857
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