Suppose that in a random selection of 100 colored candies, 23% of them are blue. The candy company claims that the percentage of blue candies is equal to 21%. Use a 0.05 significance level to test that claim.

Q: Find the confidence level related to the critical value ta/2= -2.45 where the sample size n =10. O…

A: GIVEN DATA, tα/2=-2.45n=10df=n-1=10-1=9confidence level is =?

Q: 6) The following shows a summary of the analysis of galvanized steel samples for coating weight and…

A:

Q: ized Charitable Contributions The average charitable contribution itemized per income tax retu is…

A: Mean =792 Standard deviation=103 Middle=58% C=0.58

Q: The Greens are moving. Their real estate agent located 75 houses listed for sale in their price…

A:

Q: From a sample of 200 bread rolls from Ideal bakery, 95 of the were wheat. The manager of the bakery…

A: Given: Sample size n = 200 X = 95 P = 0.49 α = 0.01 Formula Used: Test-statistic Z = p^-PP(1-P)n…

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A: Given n=1100 P=0.01

Q: QUESTION 11 Assume that the time spent by students in extra curricular activities per week is…

A: GIVEN DATA,  normal distribution ,σ=15.35n=33stanadard error of the sampling distribution of the…

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A: As per our guidelines we are suppose to answer only one question. Given,sample size(n)=10sample…

Q: A survey of 18 adults in UAE found that the mean age for a person's primary vehicle is 3.9 years and…

A: given data sample size (n) = 18sample mean ( x¯ ) = 3.9sample standard deviatio (s) = 0.695% ci for…

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A: a) Suppose µ is the population mean score of all students taking the test.

Q: The table below gives the number of hours spent unsupervised each day as well as the overall grade…

A: Given, The table below gives the number of hours spent unsupervised each day as well as the overall…

Q: Use the accompanying paired data consisting of registered boats (tens of thousands) and manatee…

A: Use EXCEL to determine the regression equation. EXCEL procedure: Go to EXCEL Go to Data>Data…

Q: ind the z-scores that delineate the middle 99% of all values from the others. Enter your answers to…

A: given data, find out the z score valuesfor the middle 99% of all values from the othershere middle…

Q: In a study of 816 randomly selected medical malpractice lawsuits, it was found that 520 of them were…

A: given data clim : p > 0.5n = 816x = 520α = 0.05

Q: Reading Improvement Program To help students improve their reading, a school district decides to…

A: Given Mean=121.5 Standard deviations=15

Q: The Department of Health collected data on the amount of sodium (in mg) in hotdogs advertised…

A: The sample sizes, sample mean and sample standard deviation for three type of hot dogs amount of…

Q: The table below gives the number of hours spent unsupervised each day as well as the overall grade…

A: The data shows the number of hours unsupervised and overall grades.

Q: A manager believes that the average worker spends 7.93 hours on the job with a standard deviation of…

A: given data σ = 0.79n = 35X¯ = 7.8293% ci for μ.

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

A:

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: A market research firm reported the mean annual earnings of all family practitioners in the United…

A: The sample size is 53, sample mean is 191410 and sample standard deviation is 43017.

Q: The table gives data on the price is charged for a beer (per ounce ) and for a hot dog at Major…

A: Given  r=0.21

Q: uppose that the hemoglobin levels among healthy females are normally distributed with a mean of 14.2…

A:

Q: If n=28, ¯x(x-bar)=32, and s=11, construct a confidence interval at a 95% confidence level. Assume…

A:

Q: Suppose that the quarterly sales levels among health care information systems companies are…

A: given data normal distribution μ = 12σ = 1.2

Q: Many educational institutions award three levels of Latin honors often based on GPA. These are cum…

A:

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

A: From the part a, The regression equation is, y^=-2.777X+88.336 Here, slope=-2.777 Intercept=88.336…

Q: I ran a regression, with many variables to predict the result of another variable which was the…

A: Given:-            The  mistakes are done by the author is listed below:

Q: The United States Golf Association (USGA) tests all new brands of golf balls to assure that they…

A: Given 90 % confidence interval

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

A: The independent variable is Height. The dependent variable is Head Circumference. Height Head…

Q: There are 24 different colored pencils in a box. What is the probability that the orange pencil and…

A: In the given situation, There are 24 different colored pencils in a box. Here, orange and green…

Q: An independent-measures research project has two sample variances, 12 and 6. Calculate the F-Max…

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

Q: You conduct a 1-way ANOVA with 7 groups and find a statistically significant result (using a =…

A: Number of pairwise contrasts: Given that there are 7 groups. Number of pairwise contrasts=number of…

Q: The data below shows car model and the color of vehicles sold at a Car dealership. Hyundai Honda…

A:

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

A: Given information, For determining the value of home one can use its square footage. The provided…

Q: The state test scores for 12 randomly selected high school seniors are shown on the 1420 right.…

A: Given data is 1420,1229,982,698,721,839,725,741,547,626,1448,947sample size(n)=12

Q: Population of College Cities College students often make up a substantial portion of the population…

A: Let X denotes the number of students who are not from college P(X>50)=? Sample of 147 people is…

Q: In a study of the accuracy of fast food drive-through orders, one restaurant had 30 orders that were…

A: Givensample size(n)=369x=30sample proportion(p^)≅0.0813significance level(α)=0.05

Q: A data set includes data from student evaluations of courses. The summary statistics are n=93,…

A: Given claim: The population of student course evaluations has a mean equal to 3.75. Null Hypothesis:…

Q: The management of a manufacturing company felt the need to improve safety. The following data…

A: It is given that:

Q: At the local car shop, the amount of time required for an oil and filter change on an automobile is…

A: Formula has shown in the claculation.

Q: In a survey, 16 people were asked how much they spent on their child's last birthday gift. The…

A: Given Mean=36 Standard deviations=16 n=16

Q: QUESTION 13 The monthly salaries of employees of a construction company is normally distributed and…

A: given data  normal distributionμ = 16000σ = 2500n = 25

Q: Determine the arithmetic, the harmonic and the geometric means, the mode and the median for the…

A:

Q: Question diveded to three parts, so asked in three different questions:  part 1:  This problem is…

A: Given The equation of the model is as follows: ln(Earnings)=6.48-0.44Female SER=2.65

Q: A TV executive is interested in the popularity of a particular streaming TV show. She has been told…

A: Given data n=6 p=68%

Q: How do I examine whether there is evidence that, in the population from which the respondents were…

A: Given information: The statement is given related to checking the significance of the mean. Find:…

Q: Two cards are drawn without replacement from a standard deck of 52 playing cards. What is the…

A:

Q: The daily sales of Hi-White toothpaste are believed to be approximately normally distributed. For a…

A: given data  normal distribution n = 21s = 18.59find critical value if , margin of error(E)  =7.32

Q: A standard deck of cards contains 52 cards. One card is selected from the deck. Compute the…

A: The question is about probability Introduction : Total no. of cards in a std. deck ( N ) = 52 Total…