On a test there are 10 true/false questions, 4 multiple-choice questions and 6 short essay questions. If a student randomly chooses 6 questions to answer, what is the probability, what is the probability a student chose 3 true/false, 1 multiple choice and 2 short essay question?

Q: Use the spinner shown to answer the question. Assume that it is equally probable that the pointer…

A: Spinner with 2 yellow, 2 red, 2 green, 2 blue

Q: A data set includes the counts of chocolate chips from three different types of Chips Ahoy cookies.…

A: A data set includes the counts of chocolate chips from three different types of Chips Ahoy…

Q: In Europe, 53% of flowers of the rewardless orchid, Dactylorhiza sambucina, are yellow, whereas the…

A: Given information:The percentage of yellow flowers is 53% and the percentage of purple flowers is…

Q: iClick the icon to view the body temperature data. appropriate, test for an effect from gender.…

A: SmokesDoes not smokeFemale98.898.497.597.897.998.198.597.1Male97.997.698.697.998.398.198.799.1

Q: A marketing researcher is hired by a corporation to conduct a study and estimate the population mean…

A: The question is about sample size estimation.Given :Level of confidence ( C ) = 0.95Maximum error (…

Q: Scores turned in by an amateur golfer at the Bonita Fairways Golf Course in Bonita Springs, Florida,…

A: we take the given data then calculate the mean and standard deviation for each year

Q: In a survey, 36% of the respondents stated that they talk to their pets on the telephone. A…

A: Sample size(n)=240No.of persons spoke to their pets on the telephone (x)=85Population proportion(p0…

Q: A manufacturer produces a commodity where the length of the commodity has approximately normal…

A:

Q: You randomly select 10 college students and ask each to name the e or she uses credit cards. Find…

A: Number of trail n=10Probability of success p=0.37X~Bin(n,p)

Q: You are interested in estimating the the mean age of the citizens living in your community. In order…

A: Population standard deviation()=17 yearsMargin of error(E)=4 years

Q: Heteroskedasticity means that Group of answer choices Homogeneity cannot be assumed automatically…

A: Heteroskedasticity in statistics and econometrics refers to a situation where the variability, or…

Q: Move the slider so that the correlation coefficient is r = -0.9. At an x-axis value of 40, which of…

A: Correlation coefficient is a measure that indicates the direction and strength of association…

Q: 2.4-3.On a six-question multiple-choice test there are five possible answers for each question, of…

A: The question is about discrete probability distribution.Given :No. of multiple choice questions in a…

Q: 21 Monthly Commissions $600 up to $800 800 up to 1,000 1,000 up to 1,200 1,200 up to 1,400 1,400 up…

A: The frequency distribution of commissions are given.

Q: Before the overtime rule in a football league was changed, among 434 overtime games, 181 were won by…

A: The sample size, i.e., the sampled number of overtime games, n=434.The number of games owned by the…

Q: According to a certain government agency for a large country, the proportion of fatal traffic…

A: p0 = 0.34n = 113x = 52Significance level (α) = 0.05sample proportion(p̂) = = = 0.4601769912

Q: The International Air Transport Association surveys business travelers to develop quality ratings…

A: The formula for the Confidence interval for mean is:

Q: Thanks. Why is Kathy's score considered better-is it because it is a posituve score? What does the Z…

A: Bobby' Z- score ( wasZ=Bobby's score  of 1080 was between 1 and 2 standard deviation above the mean…

Q: Find the estimated standard error for the sample mean for each of the following samples: a) n= 9…

A: The objective is to find the estimated standard error for the sample mean for each of the given…

Q: Refer to the accompanying data display that results from a sample of airport data speeds in Mbps.…

A: From the provided information,

Q: Estimate the probability that a person who watched the video will post a "like" and subscribe to the…

A: Total views=216like =78 out of 78 only 58 subscribe the channelRequired probability = probability…

Q: A marketing research company desires to know the mean consumption of milk per week among males over…

A: Let X be the consumption of milk per week among males over age 25.Given,The standard deviation isThe…

Q: For a given set of x and y data values, assume that the regression model assumptions are valid and…

A: Given that the 90% confidence interval for β1 is (-2.2, -0.1)

Q: A clever way to determine the hand size in three dimensions is to measure the volume (in milliliters…

A: From the given information The mean hand volume of all the male college students is given by The…

Q: find the following probabilities. (Round your answers to four decimal places.) USE SALT (d) x is…

A: It is given that Mean = 81Standard deviation = 28

Q: (a) Determine the null and alternative hypotheses. Ho: p 0.101 H₁: Р > 0.101 (Type integers or…

A: Null and alternate hypothesisH0:p=0.101H1:p>0.101

Q: A quarter back completes 34% of his passes. We want to observe this quarterback during one game to…

A: We have given that a quarterback completes 34% of his passes.We have to find the probability that it…

Q: 6. Draw a vertical line through a normal distribution for each of the following z-score locations.…

A:

Q: For which of the following sample sizes would the sampling distribution of p̂ be approximately…

A: p=0.85q=1-pq=1-0.85=0.15

Q: g) Given X ~ N(x, o²), P(X > 23) = 0.15, P(X> 25) = 0.05, find P(X<20).

A: The provided information is as follows:...

Q: Consider the following frequency table representing the distribution of hours students study for an…

A: ClassFrequncy 10-200321-311032-420643-531554-6406

Q: Suppose an electric-vehicle manufacturing company estimates that a driver who commutes 50 miles per…

A: Let  be the recharge time of the vehicle's battery.Assume that the actual recharging time required…

Q: It is estimated that 16.6% of all adults in the U.S. are uninsured. You take a random sample of 206…

A: n=sample size=206, p=16.6% X~Bin(n=206, p=0.166)

Q: The following data are from an experiment on carnations. The explanatory variable is the amount of…

A: The data is defined below as follows:  From the information, given that

Q: The National Visitor Survey (Case Study) The Bureau of Tourism Research National Visitor Survey…

A: The given study discusses the National Visitor Survey (NVS), a tool used by the Bureau of Tourism…

Q: Annual starting salaries for college graduates with degrees in business administration are generally…

A: The annual starting salaries for college graduates with degrees in business administration are…

Q: -50 50 100 X 150 A B 200 250 Answer questions a) to d) with reference to the figure above. a) Which…

A: A probability function that specifies how the values of a variable are distributed is called the…

Q: Suppose students entering a given PhD program at ten students per year. Among those students 60% are…

A: Sample size(n)=10Probability of employed students (p)=0.6q=1-pq=1-0.6=0.4A random variable…

Q: The random sample of n=75�=75 yielded a sample mean of x¯=26�¯=26. Assume that we know the…

A: Sample of  size(n)=75Sample mean()=26Population standard deviation(σ)=30

Q: The percentage of the population lacking functional literacy skills and the percentage of the…

A: The formula of confidence interval for slope is,Where, bl denotes the slopeSb1 denotes the standard…

Q: A modified roulette wheel has 28 slots. One slot is​ 0, another is​ 00, and the others are numbered…

A: Given that a modified roulette wheel has 28 slots. One slot is​ 0, another is​ 00, and the others…

Q: bpm and the standard deviation is 10.6 bpm. Find the value of the test statistic.       Question…

A: Claim: The mean pulse rate (in beats per minute) of adult males is equal to 69 bpm.

Q: Problem #5: You are given the following select and ultimate table. [x] [x] 9[x]+1 9[x]+2 9x+3 x+3 81…

A: Given the select and ultimate table…

Q: The time seen as normal meeting time in a day is 300 minutes. What is the probability that a manager…

A: The probability shows how likely an event occurs.

Q: Let Y₁,..., Yn be an iid sample from N(μ, o2), with both u and o² unknown. (2) (a) Find the…

A:

Q: Use the probability distribution to complete parts (a) through (d) below. The probability…

A: From the provided information,The probability distribution table is as follow:x0123P…

Q: (d) Approximate the P-value. Choose the correct answer below. A. 0.01 <P-value < 0.02 B. 0.005 <…

A: Test statistic is -3.11H0:μ=105H1:μ≠105

Q: The time it takes a mechanic to change the oil on a car is uniformly distributed between 11 and 30…

A: The time it takes a mechanic to change the oil on a car is uniformly distributed between 11 and 30…

Q: Researchers selected 894 patients at random among those who take a certain widely-used prescription…

A: Reseachers selected 894 patients at random among those who take a certain widely used prescription…

Q: The chance of an IRS audit for a tax return with over $25,000 in income is about 2% per year. We are…

A: The chance of an IRS audit for a tax return with over $25,000 in income is about 2% per year. We are…