A town believes that an average of 33 cars travel through an intersection each hour. A new worker thinks that number is too high and he tracks cars for one week. Test his hypothesis at the 94% level. 34 32 32 30 29 (if there are two, but both separated by a comma) 35 31 1. What is the critical value 2. What is the test statistic 3. What is thep-value

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A: Given  independent-measures research project has two sample variances, 12 and 6.

Q: A standardized exam's scores are normally distributed. In a recent year, the mean test score was…

A: Given data, normal distribution μ=1527σ=315we have to find out the z score for the given data.

Q: o possibi types. type neg pop se a random sample of 25 people is selected. Can we find the…

A: Given N=25 P=0.01

Q: The tourist bureau of the Hawaiian Islands surveyed a sample of 5 United States tourists as they…

A: GIVEN DATA, sample size n=5sample:10,7,8,6,9standard deviation of the sample is =?

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A: Given is the data on the selling price and area (square feet) of houses. We need to predict the…

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A:

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A:

Q: A random sample of likely voters showed that 61% planned to vote for Candidate X, with a margin of…

A: Given data: proportion = 61 % = 0.61 Margin of error ( E ) = 3 % = 0.03 Confidence level = 95 % =…

Q: A survey of 66 randomly selected students finds that they spend a mean of $440 per semester. Assume…

A: Given that, Sample size (n) = 66  Mean (x) = $440  Population standard deviation = $53

Q: A random sample of likely voters showed that 61% planned to vote for Candidate X, with a margin of…

A: Here are have to solve the part(c) of the question only

Q: Housing Price Prediction Model for D.M. Pan Real Estate Company

A: Given information: The output of simple linear regression is given.

Q: (a) P(Z > -1.38) = (b) P(Z < -1.11) = 0 (c) P (0.60 < Z < 2.07) = X

A: Solution

Q: A multiple-choice test consists of 7 questions. Each question has answer choices of a, b, c, and d,…

A: Given P=1/4=0.25 n=7

Q: The accompanying data represent the number of days absent, x, and the final exam score, y, for a…

A: Given information: x y x^2 y^2 xy 0 88.3 0 7796.89 0 1 86.7 1 7516.89 86.7 2 82.6 4…

Q: The heights of fully grown trees of a specific species are normally distributed, with a mean of 62.0…

A: Given Mean=62 Standard deviations=6 n=13

Q: Ice Cream Sales Model An owner of an ice cream stand collected 90 days worth of data from last…

A: Note: Hey, since multiple subparts are posted, we will answer first three subparts according to our…

Q: Consider the data. xi 2 6 9 13 20 yi 6 19 7 24 23 The estimated regression equation for these data…

A: (A)   Obtain the percentage of the total sum of squares can be accounted for by the estimated…

Q: You roll a fair six-sided die. If the die shows a prime number then you toss a fair coin that number…

A: * ANSWER :-  From the given information the calculation is given as,

Q: a) The college bookstore tells prospective students that the average cost of its textbooks is $52. A…

A: Given are two questions based on hypothesis test for mean.

Q: Number of Jobs The U.S. Bureau of Labor and Statistics reported that a person between the ages of 18…

A: Given,sample size(n)=10degrees of freedom(df)=n-1df=10-1=9and α=0.01

Q: pulse rates among healthy adults are normally distributed mean 79beats/min standard dev 8beats/min…

A: R command for probability.

Q: The waiting time (in minutes) of customers at a fast food outlet is right-skewed. A random sample of…

A: given data  right skewed distribution n = 3699% ci for μ : (1.81,2.53)find sd used (s)= ?

Q: What is the probability of getting a sum 9 from two throws of a dice?

A: From the provided information, Two dice are thrown. Total outcomes = 6 × 6 = 36

Q: A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the…

A: given data  2 red 3 green 2 blue __________ 7 total balls   select two balls at random.  P(none of…

Q: In a newspaper's survey of 499 people, 53.7% said that we should replace passwords with biometric…

A: Hello! As you have posted more than 3 sub parts, we are answering the first 3 sub-parts.  In case…

Q: groups of students are selected at random, one group from Baguio and another group from Dagupan. of…

A:

Q: The weight of a green forest frog has a normal distribution with mean 150.3 g and a standard…

A:

Q: It is known that 5% of the books bound at a certain bindery have defective bindings. Find the…

A: Givenp=0.05sample size(n)=100Let "x" be no.of books bound by this bindery will have defective…

Q: (a) Which variable is the explanatory variable? Square Footage O Selling Price (b) Draw a scatter…

A:

Q: USE THE 8-STEP HYPOTHESIS TESTING In the study by Silver and Aiello (A-4) cited in Example 12.4.2, a…

A: Given,   Yes No Row total Fallers 62 121 183 Nonfallers  18 32 50 Column total 80 153 233…

Q: Consider the following population model that satisfies the CNLRM assumptions: Y; = β2X; + ui in…

A:

Q: A discrete random variable x, has the following pmf: 0.05 0.1 0.2 Px(x) = 0.2 0.3 0.1 0.05 Determine…

A:

Q: Problems 1-3: We want to know the true proportion of students that are ok with online courses. We…

A: Hello! As you have posted 2 different questions, we are answering the first question. In case you…

Q: A bag contains 2 red, 3 green and 2 blue balls. Two balls are drawn at random. What is the…

A: Given 2 red balls 3 green balls 2 blue balls

Q: 不 A pediatrician wants to determine the relation that exists between a child's height, x, and head…

A: Dear student, The answers you had given above along with the questions seems to be wrong. I am…

Q: n = 200; p = 0.25 46. 47. X 51. O n = 324; p = 0.48 50. X σ n = 560; p = 0.62 48. X 49. n = 610; p =…

A: Givenn=324p=0.48

Q: If X is a Normal R.V with mean zero and variance o Find the p.d.f of Y=e*.

A:

Q: Calculate the 95% prediction intervals for the four different investments included in the following…

A:

Q: the probability of obtaining more heads than tails, if a coin is tossed 4 times.

A: coin tossed 4 times ,total outcomes :42  =16sample sapce :{HHHH , HHHT, HHTH, HTHH, THHH ,  HHTT,…

Q: An ordinary (fair) coin is tossed 3 times. Outcomes are thus triples of "heads" (h) and "tails" (t)…

A: There is total of 8 outcomes. Here, the values of X are -3, -2 and 1. Among 8 outcomes, the…

Q: (f) Interpret the slope. Select the correct choice below and, if necessary, fill in the answer box…

A: Slope is average change in response variable for every unit change explanatory variable.

Q: technology was also given a foot length of 17.8 cm to be used for predicting height. The technology…

A: Solution: The estimated regression equation is  Height^=53.3+4.25 Foot length

Q: 1. It has been noted that there is a positive correlation between the U.S. economy and the height of…

A: Given that: # of Absences (in weeks), X Exam Grade, Y 2 90 3 85 0 95 1 92 4 80

Q: The accompanying data represent the number of days absent, x, and the final exam score, y, for a…

A: The independent variable is No. of absences. The dependent variable is Final exam score. No. of…

Q: Suppose you like to keep a jar of change on your desk. Currently, the jar contains the following: 17…

A: Given  Total =19(Nickel)+17(pennies)+10(Dimes)+21(Quarter) =67

Q: You are interested in testing if there is a difference in weight-loss between 3 popular diet types;…

A:

Q: Using the dataset "Taxi ridership data": (1) Using X = Driver's year of employment (work experience)…

A: From the given information, Let X denote the Driver's year of employment (work experience) and Y…

Q: A random sample of likely voters showed that 61% planned to vote for Candidate X, with a margin of…

A: Given data: given proportion = 61% Margin of error (E) = 3% Confidence level = 95%

Q: QUESTION 27 A car insurance company wanted information about the age of its customers. From a sample…

A: given data sample size (n) = 143sample mean ( x¯ ) = 37sample standard deviatio (s) = 12.898% ci for…

Q: New-Homes Prices If the average price of a new one-family home is $246,300 with a standard deviation…

A: Solution-: Given:  μ=246300,σ=15000 Let, X= The prices of houses  X→ N(μ=246300,σ2=150002)…