Scores on an English test are normally distributed with a mean of 37.3 and a standard deviation of 8. Find the score that represents the 59th percentile. 59th Percentile = (Round to 1 decimal)

Q: Inference from Matched Pairs Below are data for yields from two different types of see (regular and…

A: To test the claim that there is no difference between the yields from the two types of seed, we need…

Q: Do political science classes require less writing than history classes? The 58 randomly selected…

A: This study examines the differences in the amount of essay writing required for political science…

Q: Do you prefer paintings in which the people are fully clothed? This question was asked by a…

A: First sample: Sample size n1=57 Number of successes r1=44 Second sample: Sample size n2=59 Number of…

Q: In a study of treatments for very painful "cluster" headaches, 149 patients were treated with oxygen…

A: Here we have to solve the part (b) only  We have given thatn1 = 149 , x1 = 117n2 = 38 ,   x2 =…

Q: A and B are two events with P(B) = 0.38, P(A and B) = 0.23, P(B|A) = 0.42 Find P(A) Round to…

A: Answer: From the given data, P(A) = 0.38 P(A and B) = 0.23 P(B | A) = 0.42

Q: In a simple random sample of 1200 young​ people, 86​% had earned a high school diploma. What is the…

A: The formula of the standard error of the estimate is, Where,   p denotes the population proportion…

Q: A Gallup poll of 195,600 employees shows that 51% of them were actively searching for new jobs. Use…

A: The information is given as- Sample size: n=195600 Sample proportion: p=0.51

Q: . Calculate the P-value. Based on a significance level of 5%, the correct conclusion is which of the…

A: The two categorical variables are fashion line preference and job classification. Given that,…

Q: A random sample of n = 36 observations is drawn from a population with a mean equal to 15 and a…

A: As per our guidelines we are suppose to answer only three sub parts. Sample size(n)=36 Mean(μ)=15…

Q: Pennsylvania Seniors Favorite Subject? Exercise 1.24 describes a dataset, stored in PASeniors, for a…

A: n1=186x1=39n2=268x2=69claim : P1≠P2

Q: Select the statistical values needed to create a box and whisker plot. Group of answer choices…

A: Also known as box-plot, is a graphical display of data that displays the five number summary of a…

Q: A football coach hears that a new exercise program will increase upper-body strength better than…

A: The coach's plan lacks random assignment. Random assignment is a crucial aspect of a well-designed…

Q: Develop the likelihood ratio test for testing Ho: μ-2 versus Ha: u# 2 in a Poisson distribution.…

A: First, let's start by defining the null hypothesis and alternative hypothesis: Ho: μ-2 Ha: µ≠2 where…

Q: Suppose the data represent the inches of rainfall in April for a certain city over the course of 20…

A: 0.44,2.14,3.39,5.12,0.62,2.48,3.82,5.42,0.99,2.68,4.28,5.56,1.43,2.86,4.57,5.92,1.68,3.26,4.95,6.19…

Q: What is the lower limit of the 99% confidence interval for a population variance when s=3 and n=20?

A: Standard deviation s=3 Sample size n =20 99% confidence level.  NOTE:- According to bartleby…

Q: The data in the table were collected from randomly selected flights at airports in three cities and…

A: ANOVA is used to test the equality of more than two means

Q: Assume that the speed of automobiles on an expressway during rush hour is normally distributed with…

A: The speed of automobiles on an expressway during rush hour is normally distributed with a mean of 64…

Q: A survey of 170 consumers found that 70 had a tablet computer, 60 had a smartphone and 30 had both a…

A: n(Total) = 170 n(tablet) = 70 n(smartphone) = 60 n(smartphone and tablet) = 30 n(smartphone or…

Q: (1)  Consider the following hypothesis: Give: Ho: µ ≤ 28 H1: µ > 28 A sample with x̅​​​ =28.9,…

A: (1) That is, there is no evidence to conclude that the population mean is greater than 28. That…

Q: (CI p# 1) You wish to estimate the population mean for salaries at a company by finding a 95%…

A: Sample size, n=30 Sample mean, x¯=40000 Population standard deviation, σ=12000 Confidence level,…

Q: b) Find P(Z < 0.5)

A: Let Z be the standard normal variable whose mean is 0 and sd is 1. To find the following…

Q: An institutional research administrator believes that there is a direct relationship between a…

A: The aptitude test scorey is the dependent variable which depends on the GPAx. The data for x and y…

Q: The number of ants in a group is normally distributed with a mean of 67.0 and a standard deviation…

A: Let X be the random variable for the number of ants in a group. Given that, X~N(μ=67.0, σ=83.64)…

Q: Answer the following questions about the centre, spread, shape and possible outliers for the boxplot

A: Here Given Box plot for number of bees in its colonies from a data sample.

Q: In another game at Bonehead Casino in Reno, the player draws one card from a standard deck. If it is…

A: This question is about two players, Melvin and Rufus, playing a game at a casino in Reno. In the…

Q: normal distrubtion with mean 8 and standard daviation 1  find the 15TH pwecwntile marks of this…

A: Let X be the normal distribution with mean 8 and standard deviation 1.  X~N(μ=8,σ=1)

Q: USA Today reports that the average expenditure on Valentine's Day was expected to be $100.89. Do…

A: Male consumers: Sample size, n1=40 Sample mean, x¯1=$133.74 Population standard deviation, σ1=$33…

Q: A recent study investigated the association between sudden cardiac death and smoking history in…

A: N=180

Q: The heights of adult men in America are normally distributed, with a mean of 69.5 inches and a…

A: Heights of adult man in America are normally distributed with Mean(μ)=69.5 standard…

Q: QUESTION 17 Suppose a researcher observes a population of 25 people and computes SS= 360 In this…

A: Answer: From the given data, Sample size (N) = 25 Sum of squares (SS) = 360

Q: Using standard normal table ar Excel function find the probability, Calculate the P(Z>0.65)…

A: Answer: From the given data, X follows normal distribution,

Q: A and B are two events with P(A) = 0.36, P(A and B) = 0.23, P(A|B) = 0.44 Find P(B) Round to two…

A:

Q: Data Set 37, “Cola, Weights and Volumes” in Appendix B includes volumes (ounces) of a sample of cans…

A: Given that n = 36, mean (M) = 12.19 oz, sample SD (s) = 0.11 oz Level of significance = 0.05

Q: The degree of freedom for chi squared test of a contingency table, with 8 rows and 5 cohmns is..

A: Answer: From the given data, number of rows (r) = 8 number of columns(c) = 5

Q: Maryland, as the four U.S. cities with the highest percentage of millionaires (Kiplinger website).…

A: The data is given below,     City       Bridgeport San Jose Washington Lexington Park…

Q: If the population standard deviation is 6.8, then Find the standard deviation of x for an SRS of 64…

A: Answer: From the given data, Population standard deviation σ = 6.8 Sample size (n) = 64

Q: Using a standard normal table or Excel function find the given probability, Calculate the…

A: Answer: From the given data, using normal distribution,

Q: The mean daily production of a herd of cows is assumed to be normally distributed with a mean of 30…

A: Answer: From the given data, Mean (μ) = 30 Standard deviation(σ) = 10 X follows normal…

Q: Use the Standard Normal Table or technology to find the -score that corresponds to the following…

A: According to the given information in this question We need to find the cumulative area correspond…

Q: Look at the ANOVA table. These are the results of an experiment that was done to test whether C…

A: a) - The Fisher value, denoted as "F", is used in ANOVA to answer questions about the analysis by…

Q: In a three-digit lottery, each of the three digits is supposed to have the same probability of…

A: The data is given as- Digit Frequency 0 18 1 15 2 26 3 30 4 30 5 21 6 30 7 34 8…

Q: 14. Blood glucose levels for overweight patients have a mean of 120 with a standard deviation of 19.…

A: Population mean µ = 120 Population standard deviation σ = 19 Sample size n = 30 Sample mean x̅ =…

Q: Suppose the National Transportation Safety Board (NTSB) wants to examine the safety of compact cars,…

A: Ho:  There is no statistical differences in the frontal crash test performance for each type of car.…

Q: Find the sample mean for the following sample data 63,72,85,63,74

A: Answer: Given data is, 63,72,85,63,74 Sample size (n) = 5

Q: Suppose data about the average number of hours people spend on social media websites at work is…

A: Data X  5.1 4.8 2.5 4.3 2.4 We have to find 1..construct an 99% confidence interval for the…

Q: Determine whether the value is a discrete random variable, continuous random variable, or not a…

A: The question is about type of random variable Introduction : Types of random variab. : Discrete…

Q: A director of student success wants to test whether currently enrolled students study more than 3…

A: Let μ be the mean no. of hours per day.  Population mean (μ)=3 hours per day Sample size (n) = 25…

Q: 1. During the COVID-19 Pandemic, while school-aged children were attending classes online, 70% of…

A: Sample size n =500 Favorable cases x =335 Sample proportion p^=x/n  =335/500 =0.67

Q: Suppose in 2011 a survey of 997 workers in the city of Vancouver found that 204 used public…

A:

Q: Find the margin of error for the given values of​ c, s, and n. c = 0.80, s = 4, n = 7

A: confidence level(c)=0.80 standard deviation(s)=4 sample size(n)=7