In 2005, the percentage of airline ticket purchasers who actually arrive to take their flight is 88%. Suppose an airplane has 48 seats and 50 tickets are actually sold. Use a discrete probability distribution table to determine the probability that there will not be enough seats.

Q: sample data represented on the stem and leaf diagram below?  0     |      1     3     5      8     8…

A: Data set in normal form:  1,3,5,8,8,13,14,15,21  Sample size is n= 9

Q: Let X1, X2,..., X20 N(4,9) and Y₁, Y2₂,,..., Y20 N(1,9). Construct functions of X's and/or Y's that…

A:

Q: Find the value of k A) 0.07 B) 0.05 C) 0.04 D) 0.06

A: Given that Pdf of X is  f(x) = kx3 , 0≤x≤3

Q: Construct a stem-and-leaf display, given the following data from a sample of midterm exam scores in…

A: First we have to arrange the data in ascending order as  50, 50, 56, 60, 78, 78, 81, 91, 93

Q: Heights of adult men are normally distributed, with a mean of 69 inches and a standard deviation of…

A: Answer:- Given , mean (μ)= 69 inches. Standard deviation (σ) = 3 inches   Therefore, we know the…

Q: 2. (a) In June 2016, at the Brexit Referendum, 52% of people voted to leave the European Union (EU).…

A: According to the given information, we have Given that 52% of people voted to leave the European…

Q: Mean = 1103° C Median = 1104° C Standard deviation (S) = Variance (S2) = = Mode (m) = 1104° C No. of…

A: According to the given information in this question We need to calculate standard deviations and…

Q: 2. One of the mascots received exactly 28 votes. Which mascot was it? Number of votes 50 40 30 20 10…

A: The information provided in the question are as follows : From the provided graph, it can be see…

Q: Suppose that a student collects sample data from their local fire department asking them about their…

A: Given Information: Sample size n=59 Variable A: Number of years the firefighter has been working.…

Q: calculations, which distribution of parking satisfaction scores has the largest standard deviation?…

A: For the given dot plots Which distribution of parking satisfaction scores has the largest standard…

Q: Listed below are the amounts of net worth (in millions of dollars) of the ten wealthiest celebrities…

A: The sampled amount of wealth (in millions of dollars) of 10 wealthiest celebrities are: 249, 212,…

Q: 10 temperature measurements are made in a laboratory over a period of time and the following values…

A: Mean=∑xi/n=(34.6+20.2+26.2+38.2+27.6+12.61+45.1+45+31.1)/9=280.61/9=31.1789

Q: GUIDED PRACTICE 1.6 An experiment is evaluating the effectiveness of a new drug in treating…

A: A data can be quantitative or qualitative (categorical) in nature. Further, the quantitative data is…

Q: An article reported that for a sample of 51 kitchens with gas cooking appliances monitored during a…

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Q: A) Does this provide statistically significant evidence at the 1% significance level that the rule…

A: Let p be the population proportion of high school athletes who required reconstructive surgery.…

Q: 105. The coefficient of determination of the least squares regression model for the bivariate data…

A: According to the given information, we have The data is given. x -1 1 2 4 6 7 y -2 0 1 2 2 3

Q: The percentage of adolescents ages 13 to 18 owning State 1 2 3 4 5 6 Percentage of Adolescents…

A: Solution: Let x= Percentage of Adolescents with Cell Phone in 2012   and y  = Percentage of…

Q: Which of the three normal curves below has the lowest mean? Lowest standard deviation? A (В Lowest…

A: The objective is to identify the normal curve that has the lowest mean and lowest standard…

Q: 79. What is the 90% confidence interval for the difference in population proportions, p1 – p2 ,…

A: given data p^1 = 0.40   n1 = 144p^2 = 0.38     n2 = 16990% ci for p1-p2.

Q: 18. Avy researches the environmental costs and benefits of using nuclear power. Which source is most…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: What is the logarithmic regression model given the scatter plot below? y = 3.35 ln x + 2.461 y =…

A: The scatterplot of x and y is given.

Q: The average production cost for major movies is 62 million dollars and the standard deviation is 18…

A: given data, normal distributionμ=62σ=18n=15we havr to find out the given probability.

Q: Determine the linear correlation coefficient, r, using the following summary data.

A:

Q: What is the minimum number of pairs needed to estimate the difference in the means of two…

A: Given data  paired sample test σd = 12.5 E =3 98% ci  n = ?

Q: Coral has conducted some research into student performance in assessments. In the assessment in…

A: Independent events : When the probability of happening of one event do not impact the probability of…

Q: A random sample of 25 employees for the retailer showed a sample mean of 9.2 minutes and a standard…

A: Given information: The sample size, the sample mean, and the standard deviation are n=25, x¯=9.2,…

Q: TV advertising agencies face increasing challenges in reaching audience members because viewing TV…

A:

Q: 2. Formulate the null and alternative hypothesis of the following problems. a. A department store is…

A: That mean we want to test if their average profit this year decreased as compared to 30 percent…

Q: Poly(3-hydroxybutyrate) (PHB), a semicrystalline polymer that is fully biodegradable and…

A: From the provided information, Sample size (n) = 12 The data values are as follow: 180.4 181.7…

Q: 83. A one-way ANOVA test is conducted at the 10% level of significance and finds the following…

A: The question is about ANOVA Given : Mean sum of sq. of treatments ( MSTr ) = 25.093 Mean sum of sq.…

Q: A student is about to take an entrance test about a subject they know absolutely nothing about. The…

A: Consider X denotes the score which follows binomial distribution (as this scenario satisfies the…

Q: (a) Four students had low scores that might be con- sidered outliers. Ignoring these, describe the…

A: Answer:- Stemplot of the IQ test scores of 78 seventh-grade students in a rural midwestern school is…

Q: As a researcher, you are interested in predictors of helping behaviors in adults. After consulting…

A: It is needed to determine the dependent and independent variable.

Q: Compare and contrast aspects of frequency distributions, cumulative frequency, and cumulative…

A: Solution:- Frequency distributions, cumulative frequency, and cumulative percentage are all ways of…

Q: How many data values are in the data set?

A:

Q: In a random sample of college students it is found that 39% own a car, 53% of them take the bus to…

A: Given Information: The probability of a student owning a car is 39%, 53% of the students take the…

Q: Let X be a random variable that follows a Poisson(7) distribution. Give a lower bound for P(|X - µ|…

A: Given that X ~ Poisson (7) Mean = µ = 7 Variance = σ2 = 7

Q: The number of protesters at a rally against a new government initiative.

A:

Q: QUESTION 21 If two groups of college students have the same mean height, then None of these…

A: Given that If two groups of college students have the same mean height.

Q: What is the least squares regression line for the following scatter plot? y-hat =-0.34x + 3.78…

A: The objective is to find the least squares regression line for the given scatter plot.

Q: The average height of males in the BSN freshman class of a certain college has been 68.5 inches. Is…

A: GIVEN DATA, μ=68.5n=50x¯=69.7s=2.7

Q: 1.1 Migraine and acupuncture, Part I. A migraine is a particularly painful type of headache, which…

A: NOTE: Hi! Thanks for posting the question. Since you have posted a question with multiple sub parts,…

Q: Answer the following questions: the test is to be used? The critical value is The test…

A: Introduction The hypothesis is an assumption that is being tested.

Q: What is the mean of the data represented in the frequency table below? 3.75 3.50 2.75…

A: Given: x Frequency (f) fx 1 3 3 2 1 2 3 2 6 4 2 8 5 3 15 6 1 6   ∑f=12 ∑fx=40

Q: Suppose the median price, P, of a home increased from $60 thousand in 2000 to $180 thousand in 2010.…

A:

Q: A one-way ANOVA test is conducted and finds the following results:  MSTr = 30.214, and MSE = 16.581.…

A: GivenA one-way ANOVA test is conductedMSTR=30.214MSE=16.581

Q: The time required for Speedy Lube to complete an oil change service on an automobile approximately…

A: The question is about normal distribution Given : Popl. mean time required to complete oil change…

Q: S9 Normal Distribution 32. The memory game score comes from a game like this one. The distribution…

A: For the distribution of the memory game score (which is normally distributed) it is given that: the…

Q: What is the mean of the discrete random variable X with the following probability distribution?…

A: we have to find mean of distribution.  x P(x) xP(x) 1 0.20 0.20 2 0.10 0.20 3 0.20 0.60 4…