Find the proportion of cars with time of at least 208 minutes?show work 2.Find the time 40TH percentile. Identify the runner. Show work

Q: find 40 th percentile   10,15,18,16,19,20,24,15,26,20,22,25,28,17

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Q: Calculate the proportion of the 100 samples that had at least five people own a dog. Round your…

A: You can use normal approximation..

Q: 8. A survey of 2380 golfers showed that 366 of them are left-handed. Find a point estimate for p,…

A: Sample size (n) = 2380 and favorable cases or golfers (x) = 366 Then,  We will find the point…

Q: An environmentalist wants to find out the fraction of oil tankers that have spills each month. Step…

A: The question is about proportion.Given :Randomly selected no. of tankers ( n ) = 432No. of tankers…

Q: Use a z-Table to determine the percent of data specified. Round to the nearest hundredth. Greater…

A: A z-table, also known as a standard normal table, is a table that shows the area under the standard…

Q: Here are the fuel efficiencies (in mpg) of 8 new cars. 45, 20, 45, 14, 34, 22, 18, 28 What is the…

A: Given information- We have given the data of the fuel efficiencies of 8 new cars (arranged in…

Q: lease do not give solution in image format thanku) The FBI wants to determine the effectiveness of…

A: Answer  Given  sample size [n] =1753   Favorable cases [x] =683

Q: Complete a Stem Leaf plot for the data below. Marks scored by students Math quiz 45,  58,  76,…

A: We have given that  Marks scored by students Math quiz 45,  58,  76,  40,  65, 76,  43,  40, 51,…

Q: Report the proportion of the 370 students based on mobile phone brands as a percentage. Apple  269…

A: The percentage of a category can be calculated by dividing the frequency of the category by the…

Q: When 500 junior college students were surveyed,120 said that they have previously owned a…

A: When 500 junior college students were surveyed,120 said that they have previously owned a…

Q: 18. Use a z-table to determine the percentage of people that make less than $50,000. a S1.83% b.…

A: Given Information: Population mean (u) = $ 50,000 Target value (x) = $ 50,000  Standard Deviation…

Q: If a coin is flipped 150 times and the number of Hs is 25. Compute the proportion of Hs. Round to…

A: We have given that,  Favorable cases (X) = 25 and sample size (n) = 150 Then,  We will find the…

Q: of 118 new enrollees in a college nursing program 68 are planning on pursuing a 4 year degree 32 a…

A:

Q: A group of students start a walking club. Each student recorded their walking time in April 2022 as…

A: We know that,  Mean = ΣXi/n where ΣXi is the sum of all the terms and n is the sample size.  Here…

Q: find 4th percentilefor given data  12,25,32,6,42,16,18,19,15,23,24,28,29,45,6,23

A:

Q: A quality-conscious disk manufacturer wishes to knoww the fraction of disks his company makes which…

A: Given, The no. of sample, n =5431 The number of defective, x = 4943

Q: The 10 members of the swim team completed the following numbers of laps at today's practice. 77, 78,…

A: Given: n = 10 Formula Used: Q1 = n+14thterm Q3 = 3n+14thterm

Q: When 450 junior college students were surveyed, 125 said that they have previously owned a…

A: sample size(n)=450 No. of students said that they have previously owned a motorcycle(x)=125

Q: Use the data to identify any outliers.

A: The objective of this question is to identify any outliers in the given data set. An outlier is a…

Q: The 20th percentile is how many inches?

A: The mean is 64 inches and the standard deviation is 2.5 inches.

Q: (d) What is the nonresponse rate? (e) Suggest some methods that could be used in a future survey to…

A: The purpose of a survey is to examine the opinions, behaviors, or experiences of individuals or…

Q: A survey of 250 households showed 71 owned at least one snow blower. Find a point estimate for p,…

A: Solution-: X=71, n=250 We want to find the point estimate of p?

Q: in the highest 2.5 percent eat?  What is the z-score

A: Given that 2.5% of the highest area present in the data. That is, P(Z>z)=2.5%=0.025…

Q: There were 34 females that weighed over 250 pounds. What percent of females aged 20 to 29 weighed…

A: Given data,  N~(161.61,48.95)  i.e., μ=161.61σ=48.95   If n=34 P(X>250)=?

Q: You want to find out the top three food items sold in your school cafeteria. Select the best way to…

A:

Q: This question is not on any test. The table below shows the approximate number of people for three…

A: Given data, Race/Armed Suspect was Armed Suspect was unarmed Total Percent killed that were…

Q: 11 members of the swim team completed the 78, 80, 81, 81, 83, 84, 86, 87, 89, 90, 91 mplete the…

A: Solution: The observations in increasing order is  78,80,81,81, 83,84,86, 87,89,90,91 n= 11…

Q: Construct a pie chart for the data. Label each category with its percentage. Scott Tarnowski owns a…

A: Step 1:  Step 2: Step 3: Step 4:

Q: Jovan asked 2000 people if they are afraid of spiders. 274 people said yes. What percent of the…

A: The given data is: Total number of people=2000 People afraid from spider is 274

Q: The test for a certain disease is 86% accurate.  A hospital tests a sample of 5000 patients for this…

A: Given: Accuracy of the test is 86% Inaccuracy of the test = 100-86% = 14% N = Total number of…

Q: Heal the Bay is an environmental organization that releases an annual beach report card based on…

A: A dot plot is the pictorial representation of the data values. It is drawn to observe the pattern of…

Q: 5. Complete the columns below using an initial class boundary of 53.5 and a class width of 4. Each…

A: 5. It is given that the columns below using an initial class boundary of 53.5 and a class width of…

Q: Determine which of the levels of measurement (nominal, ordinal, ratio) is most appropriate. The…

A: We know that the, Subjects in which college students major may be Mathematics, Statistics, Physics,…

Q: a researcher wants to find the proportion.  what size sample should be obtained in order to be 90%…

A: We have given that,  Confidence interval = 90% and Margin of error (E) = 3% = 0.03 Then,  We will…