4. DETAILS Angela took a general aptitude test and scored in the 95th percentile for aptitude in accounting. (a) What percentage of the scores were at or below her score? (b) What percentage were above?

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: From the given information, the sample of 60 men, 30% own cats. The sample of 140 women, 25% own…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: We have to find test statistics.

Q: Suppose your child takes a standardized math test and scores in the 98 th percentile. What does this…

A: Given the child takes a standardized math test and scores in the 98th percentile. Now to determine…

Q: Find the percentile of the value 39.

A: The formula for the percentile of x is, Percentile of x=Number of value below xn×100% There are 9…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: State the hypotheses.

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A:

Q: 1 proportion z-test 1. A local news report claims that 40% of the vehicles on the freeways are vans…

A: Note: " Since you have asked multiple question, we will solve the first question for you. If you…

Q: 43. What is the value of E(X - 2) for the scores: 1, 2, -2, 4, 5?

A: Here given that: Score( x) : 1, 2, -2, 4, 5 Make a table of x and (x - 2)  Then sum the column (x -…

Q: Staying Single. From the U.S. Census Bureau document America’s Families and Living Arrangements and…

A: Hey there! Thank you for posting the question. Since your question has more than 3 parts, we are…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given, n1=120                                         n2=100 p1=35%=0.35…

Q: In the year 2020, City A had a population of 200,000. 300 existing cases of colon cancer were…

A: a) The best measure would be proportion of colon cancer cases to the total population. The ratio…

Q: 3. What raw score is needed to reach the 14th percentile?4. What range of raw scores makes up the…

A: 3. Here we have given percentile = 14% = 0.14SYbolically we can write it as,P(X < x) = 0.14where…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: Let p^1 represents the sample proportion of men who own cats and  p^2 represents the sample…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: It is given that 45% of 150 men have their own cats and 10% of 50 women have their own cats. The…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Introduction: It is of interest to test whether the population proportions of men who own cats, and…

Q: A materials engineer wants to understand the relationship between the strength of plastic cases and…

A: Solution Given data is

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: p1= 0.8, n1=170 p2 = 0.4, n2 =50

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: Given data:  claim The proportion of men who own cats is smaller than the proportion of women who…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: The sample proportions are The pooled proportion or weighted estimate of p is

Q: Reviewing the sample of offspring of "highly irradiated" male radiologists 27 were female and 40…

A: There are 27 females and 40 males.

Q: Risa is studying dating behavior of college students. She asks students at her school how many…

A: Given :-   μ = 7.50σ = 2.25 a. What percentage of college students has had fewer than 4 romantic…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A:

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A:

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A:

Q: Suppose your child takes a standardized math test and scores in the 98 th percentile. What does this…

A:

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: In the hypothesis testing a pooled proportion pc is computed. This pooled proportion is computed by…

Q: c. What percentage of mean heights, based on a sample size of 14 students, would we expect to be…

A: given  μ=63.8σ=2.66n=14x=62.4mean =μ=63.8standard error σx=σn=2.6614=0.7109 statistic is…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: Formula : Test statistic  :

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: We will use the large sample test for difference of proportions. Z=p1-p2P.Q.(1n1+1n2)where P…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: The given information is, The pooled proportion or weighted estimate of p is,

Q: a. What is the percentile rank for X- 9.5? b. What is the percentile rank for X-19.5? c. What is the…

A: Percentile is a number, where a certain percentage of scores fall below that number. The percentile…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A:

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: We have given that  Sample sizes n1=60    n2=160 Sample proportion p1^=0.85 , p2^=0.30

Q: You are testing the claim that the proportion of men who own cats is smaller then the proportion of…

A: From the provided information, The hypotheses can be constructed as: Null hypothesis: H0: p1 = p2…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: See tha answer

Q: person waited before being served was noted and the results are shown in the charts below.  How…

A: Given that:

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A:

Q: Explain the meaning of the following percentiles in parts​ (a) and​ (b). ​(a) The 5th percentile…

A:

Q: embers had rabbits or goats? B) What percent of the club members had on

A: It is given that the members who has number of rabbits are nr=16. The members who has number of…

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: There are two independent samples which are men and women. We have to find the value of the test…

Q: QUESTION 3 What percent of scores are below an SAT score of 560?

A: Mean of SAT score=mu=500 SD of SAT score=sigma=100 SAT score=x=560 Z-score=(x-mu)/sigma

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given that among 180 men 85% own cats. So 85% of 180=153Among 100 women 45% own cats. So, 45% of…

Q: 1. A local news report claims that 40% of the vehicles on the freeways are vans or SUV's. You go to…

A: Note: As per the guidelines, we are only allowed to solve one question at a time, please post the…

Q: Reviewing the sample of offspring of "highly irradiated" male radiologists 98 were female and 46…

A: Given :  Reviewing the sample of offspring of "highly irradiated" male radiologists 98 were female…

Q: You are testing the claim that the proportion of men who own cats is significantly different than…

A: Given that  Sample men (n1) = 100 Men own cats (p1)  = 35% = 0.35 Sample women (n2)  = 120 Women own…

Q: 1.What is the Prevalence as a decimal for college 1 (box a)?Round to the nearest hundredth. 2.…

A: College Cases of Flu Total number of students Prevalence (decimal) Prevalence per 10000 students 1…

Q: You are testing the claim that the proportion of men who own cats is larger than the proportion of…

A: For the given data Perform z test for two proportions

Q: a) What percent of adults worldwide are overweight or obese? (Enter you answer rounded to one…

A: Solution: The data from World Health Organisations and the United Nations is  Income Level…

Q: You are testing the claim that the proportion of men who own cats is smaller than the proportion of…

A: Let, p1=proportion of men=0.9p2=proportion of women=0.4n1= sample size of men = 80n2= sample size of…