Forty per cent of all registered voters in a national election in Australia are male. A random sample of 8 voters is selected. What is the probability that the sample contains 3 male voters? O 0.0774 O 0.1935 O 0.2568 0.2787 None of the above

Q: A box contains 3 white, 8 red and 9 blue balls. If 3 balls are selected at random then the…

A: We want to calculate the probability of one ball of each color P(one ball of each color)=P(A)

Q: 3 percent of the led lights manufactured by a company are defective, the probability that in a…

A:

Q: A survey of 200 people was conducted to see if they smoke.   The results are shown in the table.…

A: The general formula for conditional distribution is,

Q: a. 27% students have passed their last year's degree examination. A random sample of 7 students is…

A: Given data ,PPass=27 %=0.27PFail=1-PPass=1-0.27=0.37If n=7P4≤x≤6=?

Q: A nationwide survey of seniors by the University of Michigan reveals that almost 30.0% disapprove of…

A:

Q: A lot of 50 bulbs contains 15 that are defective. The lot is to be inspected by choosing 20 at…

A:

Q: The probability that a person is left-handed is about 12%. Three unrelated persons are randomly…

A:

Q: A pair of dice is rolled 10 times. What is the probability that exactly 2 rolls would result in…

A: Given information: A pair of dice is rolled 10 times. So, n = 10 , x =2 Find: P(X=2) Binomial…

Q: In a survey of 91 baseball fans in NYC, 48 were fans of the Mets, 58 were fans of the Yankees and 32…

A: given in a survey of 91 baseball fans in NYC 48 were fans of Mets and 58 were fans of the…

Q: The probability 99% of ChatBot message send to customer are correct. If a sample of 100 massages is…

A:

Q: Part-time Full-time Total No Gym Membership 16 48 64 Gym Membership 11 55 66 Total 27 103 130   A…

A: The given summary table is, The probability that the student has a gym membership and they are part…

Q: Suppose that a screening test diagnoses 97% of sick people positive and 95% of healthy people…

A: Let us define some events A : a person is sick B : a person is healthy. E : a person tests positive.…

Q: A CD case contains 10 jazz albums, 4 classical albums, and 2 soundtracks. Choose 3 at random to put…

A: Given that  A CD case contains  Jazz albums = 10 Classical albums = 4 Soundtrack = 2 Total = 10+4 +2…

Q: One in eight containers at the seaport in Durban is temporarily misplaced. A random sample of 12…

A: From the provided information, One in eight containers at the seaport in Durban is temporarily…

Q: A group of 140 students at an elementary school were asked if they prefer the color orange to the…

A:

Q: The proportion of individuals that regularly smoke in a population is known to be 0.25. What is the…

A: Given information: p=0.25 Sample size, n=100

Q: A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male…

A:

Q: A survey of 200 people was conducted to see if they smoke. The results are shown in the table. Male…

A: The probability that the person is a male or a smoker is obtained below: The results are shown in…

Q: A survey of 200 people was conducted to see if they smoke.   The results are shown in the table.…

A: The provided data is,

Q: In a New York Times article a reporter stated that seventy three percent of its readers favored the…

A:

Q: If 30% of all dogs in a city have brown hair. In a sample of 500 dogs, what is the probability that…

A:

Q: Eighty percent of households in the United States have cable internet. A random sample of 10…

A:

Q: A sampling of children was asked if they would they prefer a lion or elephant  as their favorite…

A: Given data,   Lion Elephant Total Boys 90 110 200 Girls 75 85 160…

Q: A sociologist is analyzing Social Security data. The number of individuals in the sample is 5. The…

A:

Q: 22% of all tires manufactured by a company are defective. If 20 different tires are randomly…

A: We have to find correct answer.

Q: Twenty-five percent of the academic staff of a large faculty are non-teaching academic staff. A…

A:

Q: The probability that a house in an urban area will be burglarized is 3%. If 25 houses are randomly…

A: The number of houses burglarized is Probability that the house will be burglarized is The objective…

Q: 67% of LaGuardia students are female. A random sample of 6 students is to be selected. Let the…

A: From the provided information, 67% of LaGuardia students are female that is p = 0.67 Sample size (n)…

Q: Suppose 30% of the U.S. population has green eyes. If a random sample of size 1200 U.S. citizens is…

A:

Q: Suppose that 10% of tires manufactured on an assembly line are defective. If the tires are randomly…

A:

Q: n n ("+¹ ) = ( , ²₁ ) + ( ² ) - 1

A:

Q: The probability that a house in an urban area will be burglarized is 3%. If 25 houses are randomly…

A: P = 0.03N = 25