For the following binomial random variables (), identify the parameter values, i

Question

For the following binomial random variables (), identify the parameter values, i.e., find the value for , the number of trials, and the value for , the probability of success.
a) Toss a fair coin 10 times. Variable = the number of heads observed. = __________; = __________.
b) Randomly select a sample of 20 students from a large population in which 55% are males and 45% are females. Variable = the number of males in that sample. = __________; = __________. For the following binomial random variables (), identify the parameter values, i.e., find the value for , the number of trials, and the value for , the probability of success.
a) Toss a fair coin 10 times. Variable = the number of heads observed. = __________; = __________.
b) Randomly select a sample of 20 students from a large population in which 55% are males and 45% are females. Variable = the number of males in that sample. = __________; = __________. For the following binomial random variables (), identify the parameter values, i.e., find the value for , the number of trials, and the value for , the probability of success.
a) Toss a fair coin 10 times. Variable = the number of heads observed. = __________; = __________.
b) Randomly select a sample of 20 students from a large population in which 55% are males and 45% are females. Variable = the number of males in that sample. = __________; = __________.

Explanation / Answer

a) n=number of trials =10

P=probability of success =0.5 (coin is fare)

b) n=20

P=55%=0.55

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