# Tag: Binomial Distribution

#### Solved (Free): A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 30% of this population prefers the color brown

A researcher wishes to conduct a study of the color preferences of new car buyers. Suppose that 30% of this population prefers the color brown. If 12 buyers are randomly…

#### Solved (Free): At a collection agency, 80% of the accounts are eventually paid in full. Over the next month, the collection agency gets 120 new accounts

At a collection agency, 80% of the accounts are eventually paid in full. Over the next month, the collection agency gets 120 new accounts. What is the probability that at…

#### Solved (Free): Thirty percent of all customers who enter a store will make a purchase. Suppose that six customers enter the store and that these customers

Thirty percent of all customers who enter a store will make a purchase. Suppose that six customers enter the store and that these customers make independent purchase decisions. Use the…

#### Solved (Free): Ten peas are generated from parents having the green/yellow pair of genes, so that there is a 0.45 probability

Ten peas are generated from parents having the green/yellow pair of genes, so that there is a 0.45 probability that an individual pea will have a green pod. Find the…

#### Solved (Free): A drug is prepared and found that when a certain quantity is inoculated into mice

A drug is prepared and found that when a certain quantity is inoculated into mice, 25% of the mice become infected. If 3 mice are inoculated independently, what are the…

#### Solved (Free): A student majoring in accounting is trying to decide on a number of firms to which he should apply

A student majoring in accounting is trying to decide on a number of firms to which he should apply. Given work experience and grades, he can expect to receive a…

#### Solved (Free): A federal report find that a lie detector test given to truthful persons have a probability of 0.2 of suggesting that the person is deceptive

A federal report find that a lie detector test given to truthful persons have a probability of 0.2 of suggesting that the person is deceptive. A company asks 12 job…

#### Solved (Free): Forty-three percent of adults would pay more for environmentally friendly products. You randomly select 12 adults

Forty-three percent of adults would pay more for environmentally friendly products. You randomly select 12 adults. Find the probability that the number of adults who would pay more for environmentally…

#### Solved (Free): According to national data, about 10% of American college students earn a graduate degree. Using this estimate, what is the probability

According to national data, about 10% of American college students earn a graduate degree. Using this estimate, what is the probability that exactly 25 undergraduates in a random sample of…

#### Solved (Free): Suppose that 15 % of all steel shafts produced by a certain process are nonconforming but can be reworked (rather than having to be scrapped). Consider a random sample of 200 shafts

Suppose that 15 % of all steel shafts produced by a certain process are nonconforming but can be reworked (rather than having to be scrapped). Consider a random sample of…