pedestrians stepped to the right when they were crossing paths. She observed that out of  33  trials, oncomers stepped to the right  20 times. Report your answers to four decimal places, and include leading zeros  ( except the test statistic, which should be a whole number, and the conclusion, which should be a word or phrase ) .  * Hint  -  use the tips from the "Sex and the X "  walkthrough video to save time.  .  The probability of encountering exactly  20  right steppers is The probability of encountering  20  or MORE right steppers is  .  The P - value of this outcome is .  Therefore, we would the null hypothesis.

Q: a. The null and alternative hypotheses would be: Ho: Select an answer ✓ Select an answer ✓ H₁:…

A: Sample Mean  45.62   Standard Deviation (S1​)                       2.56 Sample…

Q: In a neighborhood donut shop, one type of donut has 330 calories, three types of donuts have 400…

A: In a donut shop one type of donut has 330 caloriesthree types of donuts have 400 caloriessix types…

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A: There are two independent samples which are right and left. We have to test whether the average time…

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A: The information provided in the question are as follows :-The books bought by Zach has -and

Q: O subjects in a study were randomly assigned into two equally sized groups. One group was shown a…

A: Given data is:

Q: Write a point estimator and an interval estimator for the mean.

A: We need to write a point estimator and an interval estimator for the mean.

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A: From the provided information, Sample size (n) = 10 Sample mean and standard deviation can be…

Q: A hospital emergency room accepts an average of about 47 bone fracture patients per week. Let the…

A: Given,The average no.of bone fracture patients per week is 47 .

Q: A polling agency claims that over 40% of adults shop for a gift within a week of an event.  In a…

A: We have given that p = 40% = 0.40  n = 2730x = 1130p̂ = x/n = 1130/2370 = 0.4139Significance level…

Q: Consider a computer test to indicate if you like Math 123 or dislike Math 123. If positive, you like…

A: Given information: P(Like) = 0.80 P(Dislike) = 0.20 PPositiveLike=0.855 PNegativeDislike=0.855…

Q: A poll showed that 56.1% of Americans say they believe that some psychics can help solve murder…

A: P(not A) = 1 - P(A)  When we are talking about % in probability  Than take 100% as total  So ,…

Q: The average income of five teachers is P15,000. If one teacher is promoted and given a raise…

A: Mean is the expected or average value of the observations. It can be obtained by dividing the total…

Q: Right 48 45 50 41 42 44 41 47 Left 48 42 47 40 42 41 40 49 Assume a Normal distribution. What can be…

A: See below

Q: Please no written by hand solution and no img  In a random survey of 40 algebra 1 students at A&M…

A: Number of students who love their math class = 30 Total number of students surveyed = 40

Q: 4. On a certain standardized test, the population mean is 250 with a standard error of the mean of…

A: Given: Population mean, μ=250Standard error of mean, σx¯=25

Q: AP Stats The College Board reported that 58.7% of allstudents who took the 2010 AP Statistics exam…

A: The hypotheses are given below: Null hypothesis: H0: p=0.587. Alternative hypothesis: H1:p>0.587.…

Q: 4. A car salesperson notes that she sells either 1, 2, 3, 4, 5 or 6 cars per week with equal…

A:

Q: In fall 2014, 34% of applicants with a Math SAT of 700 or more were admitted by a certain…

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A:

Q: The test scores for five students were 59, 60, 63, 76, and 87. How many points greater than the…

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Q: The mean of 200 items was 50. Later on it was found that two items were wrongly taken as 92 and 8…

A:

Q: Is the average time to complete an obstacle course different when a patch is placed over the right…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: scores

A:

Q: Kennedy earned scores of 92, 95, 73, 78, 94, 84, 100, 92, 85, and 75 on her reading tests. What is…

A: Answer - Given score   92, 95, 73, 78, 94, 84, 100, 92, 85, and 75                Find the mean = ?

Q: The mean score on a set of 23 tests is 76. Suppose two more students take the test and score 70 and…

A: given data n = 23 had mean of 76 . two more students take test and score 70 and 65. new mean  = ?

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A:

Q: Assume a Normal distribution. What can be concluded at the the αα = 0.01 level of significance…

A:

Q: For each description of sampling, decide if the sampling technique is A. Simple Random B. Stratified…

A: 2. In cluster sampling, the population is divided into naturally occurring groups/sections called…

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A:

Q: The distances golf balls travel under laboratory testing conditions are normally distributed. The…

A:

Q: if the mean of five values is 8.8 and four of the values are 7, 13, 6, and 9 find the fifth value.

A: given data , mean of the five values =8.8n=5x¯=8.8we have to find out the 5th observation for the…

Q: Is the average time to complete an obstacle course different when a patch is placed over the right…

A: From the provided information, Sample size (n) = 8 Level of significance (α) = 0.01

Q: - 0.287). This means ance that a pair of rande

A: here we can see that administrator found no significant difference between mean GPA for male and…

Q: Irse with a patch over one eye and then completed an he other eye. The completion times are shown…

A: sample size,n= 8 Mean (d̄) =Σd/n              = -10/8            = -1.25 standard…

Q: The IQs of six boys are 111, 119, 122, 124, 123 and x. If their mean IQ is 120, what is x?

A: Given IQ's of six boys is111,119,122,124,123,xMean = 120

Q: Scores on a test have a mean of 66 and a standard diviation of 9. Michelle has a score of 57.…

A: Given,          Mean μ=66          Standard deviationσ=9          Michelle has a score X=57

Q: Is the average time to complete an obstacle course different when a patch is placed over the right…

A: Given table : Right 48 44 47 40 46 41 46 48 Left 45 42 45 36 45 35 44 45

Q: 1. The following list of scores came from a Mathema the mean, median, and mode. 23 35 20 67 55 81 70…

A: The marks obtained by the 30 students of the class is,23, 35, 20, 65, 79, 88, 67, 55, 81, 100, 100,…

Q: Joselyn hopes to receive a grade of B or better in her statistics class. Currently she has scored…

A: Mean= sum of total obervation/ total no. Of observation

Q: Is the average time to complete an obstacle course different when a patch is placed over the right…

A: The data shows the obstacle course with a patch over one eye and then completed an equally difficult…