A card is drawn at random from a standard deck of 52 cards. If a card is a face card, the player wins 15.00 php. If it is not, the player loses 5.00 php. Find the expected profit in the long run?

Q: The amount of time that a drive‐through bank teller spends on a customer is a random variable with a…

A:

Q: Prev The grades on the second statistics test for Mrs. Sweeney's class are in the following list.…

A: We have given that the following grades A,D,D,C,B,D,D,F,B,B,B,B,D,D,D,F,B,B,D,B,B

Q: why does in a it didn't use 1-p(z>-1.26)? What is the right way to use "1-probability" of z? Is it…

A: We can use "1 - probability " when there is more than z values, first we convert it into less than…

Q: Exercise 2.2. Find the following probabilities, which are associated with the standard normal random…

A:

Q: In a study of exercise, a large group of male runners walk on a treadmill for six minutes. Their…

A: The mean for runners is 104 and standard deviation is 12.5, the mean for nonrunners is 130 and…

Q: Given the variable X and the frequency of its occurrence below. What is the mean of the…

A: Answer:- Given the variable X and the frequency X Frequency 4 2 8 5 12 10 16 25 20 5…

Q: Consider the following example survey results of 18-34 years olds in the United States, in response…

A: Contingency table explain the frequency of categorical variable. It explain the similarity and…

Q: A university is putting together a hiring committee of 6 members for the next university provost.…

A: We have given that  Number of eligible administrative personal = 12Number of eligible faculty…

Q: O An estimated 15% of Americans don't use the internet. The average finish time for the Ironman,…

A: From the given scenarios we need to decide which study uses sample statistic. As we know that sample…

Q: n a the normally distributed variable X with mean = 15 and standard deviation = 2.5, find: The…

A: X is randomly distributed with a mean of 15 and a standard deviation of 2.5; μ=15σ=2.5

Q: (0, elsewhere Find the value of c such that an interval from x to cx is a (1 − a)100% confidence…

A: We have to find c such that  P(X < θ < cX) = 1 - α

Q: The World Bank records the prevalence of HIV in countries around the world. According to their data,…

A:

Q: Suppose that diameters of a new species of apple have a bell-shaped distribution with a mean of 7.25…

A: It is given that  Mean, μ = 7.25 Standard deviation, σ = 0.42

Q: i) Find the conditional distribution of the likelihood function given the function of the statistic,…

A:

Q: Find the 14th percentile, P14,  from the following data 1100 1200 1300 1500 1900 2100 2200 2300…

A:

Q: You are conducting a trial of new medications to improve lung function in cystic fibrosispatients.…

A: Here in this question it is given that we are conducting a trial of new medications to improve lung…

Q: Use n=6 and p=0.7       Question content area bottom Part 1 ​(a) Construct a binomial probability…

A:

Q: A market research company is interested in the home owership rates across Melbourne suburbs. They…

A: From the provided information, Sample size (n) = 253 Probability of being a home owner for a given…

Q: Let S be the universal set, where: S = {1, 2, 3, ..., 23, 24, 25} Let sets A and B be subsets of S,…

A: let S be a universal set, S={1,2,3,...,23,24,25}and sets A and B be subsets of S, set…

Q: The marginal probability of good weather, G, is 0.6. The marginal probability of a highway accident,…

A:

Q: Henrique Correa's bakery prepares all its cakes between 4 A.M.and 6 A.M.so they will be fresh when…

A:

Q: If X is normally distributed with mean u and variance o2, it is generally described as X~ N(u,0²).…

A: Given that  Mean = 2 , Variance = 9 X ~ Normal (Mean = 2 , Variance = 9)

Q: Q3) a) There are two boxes; the first one has 5 red balls and 7 blue balls while the second box has…

A: There are two boxes. The first box has 5 red balls and 7 blue balls.  The second box has 3 red balls…

Q: Exercise 1.2. Below are the areas under the normal curve within the given intervals. Identify and…

A:

Q: randmother Jones is left with 6 colors of thick yarn and 8 colors of thin yarn.    What’re the odds…

A: Thick Yarn = 6 colours Thin yarn = 8 colours

Q: a) Consider the SDE dX, aXidt + √XidW₁ for X = (X)20. How should one choose a ER such that Ze is a…

A: Hello! As you have posted 3 different questions, we are answering the first question. In case you…

Q: *2.13 Compute the mean change in cholesterol. *2.14 Compute the standard deviation of the change in…

A: by bartleby policy i can gives only 3 subparts answer at a time  From given data : n=24

Q: The following bar graph represents the undergraduate majors for 150 law students. Use the graph to…

A: The length of the bar graph represents the number of students taken a particular major.

Q: i) Derive the standard error of B, se(B) = 0.0009, using MLE approach. ii) Find an approximate 95%…

A: Firstly it is required to determine the MLE of the parameter and then the variance to get the…

Q: a) Are believing that the earth is warming and being a liberal Democrat mutually exclusive?  not…

A: a) 0.1800

Q: There are 22 students in a high school senior class. In how many ways could the yearbook choose the…

A: Given that: Total number of students in a high school senior class, n = 22.

Q: The graph of a normal curve is given. Use the graph to identify the value of μ and σ. The value of…

A:

Q: c) A research conducted by SSTA022 Class representative at the University of Limpopo indicates that…

A: In hypothesis testing, there are always two hypotheses. These are null and alternative hypotheses.…

Q: b) Let X to be a random sample from a distribution with a probability density function given by f(x;…

A: Given that We have to find a.. Level of significance b..power of test

Q: An incoming MBA student took placement exams in economics and mathematics. In economics, she scored…

A:

Q: 1. A large retail company encourages its employees to get customers to apply for the store credit…

A:

Q: 44 68 71 80 62 48 64 63 78 60 81 35 258523 49 69 56 89 65 45 84 57 70 95 37 71 86 45 35 45 65 56 78…

A:

Q: using your calculator find the range and standard deviation, round to 2 decimal places. the table…

A: given data, 25,45,77,60,46,35,48,41,34,37,83,31,66,27,85,63,25,84,87,93,20,51,46,10here we have to…

Q: 1) Find the regression equation and r value   Drop Height, y (m) Square of Mean  Fall time, t^2…

A: Regression line are used to predict the future value. It explain the changes happen to dependent…

Q: As the table shows, projections indicate that the percent of adults with diabetes could dramatically…

A: The independent variable is year (x) and the dependent variable is percent of adults (y).

Q: A card is drawn at random from a deck of cards. Find the probability of getting the King of heart.

A: Answer#- A card is drawn at random from a deck of cards.                Find the probability of…

Q: X 210 f(x) = - {} 0 8 < x < 22 otherwise

A: Given that  Pdf of X is  f(x) = { x/210  , 8 &lt; x &lt; 22

Q: t Variable Label N X y Mean Std Dev Minimum Maximum 'speed' 19 39.7368421 15.7650884 15.0000000…

A: Given information: Summary statistics of the data are given. Sample size (N)=19Level of significance…

Q: We want to look at the relationship between the estimated cost (y) and the age of the vehicle (x).…

A: The given sums are x¯=3.308,y¯=2.292, ∑xi-x¯yi-y¯=-21.169,∑xi-x¯2=24.649

Q: A paper concluded that there was a correlation between refined sugar consumption (calories per…

A:

Q: In testing Ho: μ= 23; versus Hд: μ> 23 using the critical value rule, when x = 26, s = 6, and n =…

A: Given: Null and alternate hypotheses are: H0: μ=23HA: μ&gt;23 Sample mean (X¯) =26 Sample standard…

Q: If X is normally distributed with mean u and variance o2, it is generally described as x~ N(1,0²).…

A: If X be a normally distributed.X~N(μ,σ2)Given; X~N(2,9)So, mean(μ)=2 and standard deviation(σ)=3

Q: (a) p(F and G)= (b) p(F or G)= (c) p(F | G)=

A: Given that  F is female,  G is green  Total = 173 F and G = 14  F = 93  G = 17 Note : According to…

Q: 1. Thirty percent of those sent to jail are repeat offenders. Twenty percent of those sent to jail…

A:

Q: c) A research conducted by SSTA022 Class representative at the University of Limpopo indicates that…

A: There are two independent samples which are active and inactive African men. We have to test whether…