If five out of every eight trick-or-treaters that came to your house last Halloween were dressed as cowboys, what proportion of trick-or-treaters were not dressed as cowboys?

Q: a. The proportion of Pennsylvanians with a high school diploma is equal to 0.83. b. The proportion…

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Q: In​ Lindsay's class, there were three students who scored 80 on a test and six students who scored…

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Q: A researcher wants to study the proportion of people on trial for first degree murder who are found…

A: Given data: proportion: p = 0.15 Claim: The proportion of U.S teenagers between the ages of 13 and…

Q: If the Syracuse men's basketball team won 18 games and lost 10, and the Syracuse women's basketball…

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Q: Nationally, 83% of Americans have earned a high school diploma.  We want to see if the proportion of…

A: We have to find sample proportion.

Q: 6 of the last 10 sundaes sold had nuts. Considering this data, how many of the next 5 sundaes sold…

A: The probability that sundaes sold had nuts is, Psold sundaes have nuts=610=0.6 The probability that…

Q: The average college student drinks 12 cups of coffee a week. What type of test was computed to make…

A: Here, the average college student drinks 12 cups of coffee a week.

Q: James has 5 siblings, and of these, 3 are sisters. What is the ratio of boys to girls in his family?…

A: james has 5 siblings so totally there are 6 brothers and sisters.  now it is given that totally 3…

Q: An estimated 3 out 25 men are left handed. What percent of men are left handed?

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Q: (reate a two the given information 'collec fed from a candom aroup of high scheol students regarding…

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Q: A survey of 150150 freshmen business students at a local university produced the results listed…

A: A survey of 150150 freshmen business students at a local university produced the results listed…

Q: A survey of American households found that 1/4 had a land line, 7/12 had cable, and 1/3 had neither.…

A: It is an important part of statistics. It is widely used.

Q: A survey of Hoosiers found that 47% are Pacers fans, 34% are Colts fans, and 35% are Pacers fans but…

A: Solution: Let A be the event that Hoosiers are Pacers fans and B be the event that Hoosiers are…

Q: Out of 32 students in a class 5 said they ride their bike to school. Based on these results how many…

A: Unitary method : It is a method by  first determine the value of single unit and then determine the…

Q: The table below shows how many employees owned 0, 1, 2, or 3 cars in a company made up of 15…

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Q: If 30.1 out of every 100 pregnant women in Indiana deliver their babies by C-section, how many…

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Q: Last year, 41% of business owners gave a holiday gift to their employees. A survey of business…

A: Given Information : Population proportion , p = 0.41. Sample proportion , p⏞ = 0.32. Number of…

Q: survey of American households found that 1/2 had a land line, 7/12 had cable, and 1/4 had neither.…

A: Given: P( L) = 1/2 P(C) = 7/12 P( None) = P( L U C)C= 1/4  P ( L U C) = 1 - P( L U C)C= 1- 1/4 = 3/4…

Q: A survey reported that 10% of 1800 employees favored a new insurance program. How many employees…

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Q: The Ministry of Health in the Canadian Province of Ontario conducted the Ontario Health Survey by…

A: Stratified sampling :- When we have Homogenous distinguishable sub-groups. Then the population is…

Q: If five out of every sixteen students prefer to write with pens over pencils, what proportion of…

A: Given that, five out of every sixteen students prefer to write with pens over pencils.The aim is to…

Q: among the 1018 respondents, 428 said that pesticides are "not at all harmful."  What percentage of…

A: Total number of respondents = 1018Total number of respondents said that pesticides are "not at all…

Q: Residents in a city are charged for water usage every three months. The water bill is computed from…

A: INTRODUCTION :   HISTOGRAM: The Histogram is often useful to represent a frequency distribution…

Q: Working at home: According to the U.S. Census Bureau, 32% of men who worked at home were college…

A: Given that  Population proportion p=32%=0.32 Sample size n =519 Favorable cases x =165

Q: A survey of athletes revealed that for their minor aches and pains, 28 used aspirin, 52 used…

A: Let A represent asprin, I represent ibuprofen. The number of athletes who used aspirin are 28, the…

Q: beginning iceskating classes. All of the class names are put into a bucket. The 5 P.M., Monday…

A: Solution

Q: (a) What is the level of significance? State the null and alternate hypotheses. O Ho: The…

A: To test the claim that the census distribution and the sample distribution agree, we will use the…

Q: Suppose 20% of cars are sportscars and that 30% of sportscars are red, and that 25% of all cars are…

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Q: In research, it is not practical to include all members of a population. Is this true or false

A: Given statement: In research, it is not practical to include all members of a population.

Q: A survey was conducted in the United States and 10 countries of Western Europe to determine the…

A: Please note that as per our guidelines if multiple sub-parts are there in a question we can answer…

Q: A big concert was held at the Bowl. Men and women had to go through separate lines to enter. The…

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Q: b. One stüdent wrote 3-9 A good value to represent the range 3–9 is. c. Construct a dotplot. Choose…

A: Provided information is, a teacher surveyed the students in one of his algebra classes, asking how…

Q: The Ice Chalet offers dozens of different beginning ice-skating classes. All of the class names are…

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Q: survey of Hoosiers found that 47%47% are Pacers fans, 54%54% are Colts fans, and 25%25% are Pacers…

A: Given that  Colts fans = A  P(A) = 47% = 0.47 Pacers fans = B P(B)= 54% = 0.54 Pacers fans but not…

Q: If four out of every seventeen students prefer to write with pens over pencils, what proportion of…

A: Given that four out of every seventeen students prefer to write with pens over pencils.