Which of these statements is incorrect?

Q: A manufacturer of apple phone charges claims that only 4% of his production is defective. In a rando...

A:

Q: Question 9 In a five children family, find the probability that there will be at least 4 boys. 0.812...

A:

Q: Does the relationship between the independent variable and the dependent variable changeas a functio...

A: Statistical relationship between two variables is referred to as the correlation. 

Q: The advertised claim for batteries for cell phones is set at 48 operating hours with proper charging...

A: The given problem is based on a test on population proportion.  

Q: Considering the MPGCity data set for hatchback cars, would you be surprised if a company made a hatc...

A: This data set shows how much miles per gallon does different cars gives.

Q: weightluss weightloss a. Discuss and interpret the results obtained in testing the assumptions of th...

A: Given:

Q: Quarterly boat sales over a two-year period are provided in the table below. Suppose we expect year ...

A: From the given information, Period Year 1 Year 2 Quarter 1 8 8 Quarter 2 10 11 Quarter 3 1...

Q: A machine produces metal axels used in an auto-mobile suspension system. A random sample of 15 axels...

A: Tolerance interval explains the range within which the interval range of the population parameter li...

Q: The following data are the monthly salaries and the grade point averages for students who obtained a...

A:

Q: The glucose content of the syrup in canned peaches is normally distributed. A random sample of n = 1...

A:

Q: A particular brand of trans-fat butter was analyzed to determine the level of polyunsaturated fatty ...

A: Option c is correct C. The prediction interval is much wider than the confidence interval on μ

Q: B. Answer the following problems. 1. The following are the heights to the nearest centimeter of 15 E...

A: We have given that data  I want to find mean, variance and standard deviation of population.  Mean =...

Q: Calculate the coefficient of skewness from the following data : Mid-point : Frequency : 15 12 20 18 ...

A:

Q: a) Suppose that Game store in Polokwane donated a lot of 8 computer sets that includes 3 which are m...

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

Q: If X, Y are normally distributed independent random variables, then show that W = 2X - Y is normall...

A: From the given information, X and Y are normally distributed independent random variables. Let us co...

Q: 4.17 The length of time required by students to complete a one-hour exam is a random variable with a...

A: The probability density function gives the probability at each possible value of a continuous random...

Q: Use the following information to answer the next six exercises. Sixty-five randomly selected car sal...

A: Given n=65

Q: For the data below find a simple linear regression equation that relates the Advertising cost to the...

A: Regression equation : Y = a + b x + e is the regression equation. The value of the Dependent variabl...

Q: A random sample of 411 high school students was selected in order to compare the heights, in centime...

A: Hi there! Thanks for posting the question. Since there are multiple subparts we will solve first thr...

Q: Consider a probability histogram for the number of times I win if I bet $5 on even numbers in roulet...

A: Given a probability histogram for the number of times winning if a person bet $5 on even numbers in ...

Q: 1. a) An ice cream cart sells three flavors; chocolate, vanilla, and strawberry. If you order a cone...

A: Possible outcomes : An outcome is a possible result of an experiment or trial in probability theory....

Q: The heights (in cm.) of a group of fathers and sons are given below : Height of father : 158 160 163...

A: Given: Height of father Height of sons 158 163 160 158 163 167 165 170 167 160 170 18...

Q: * In this problem you will analyze the performance of an enterprise small- cell. The call model is a...

A: Erlang is a unit of GSM traffic measurement which represents the continous use of one voice path. Gi...

Q: O For each of the following quantities, indicate whether it can NEVER be negative or can SOMETIMES b...

A: Some measures are given and we have to check whether they can be negative or not. Note : Since you h...

Q: In research on cell phone use by teenagers it was found that the average connect time for a call was...

A: We have given that  Sample size n =15 Sample mean =18.5 Standard deviation =4 NOTE:- According to ba...

Q: How does statistical methods improve the quality of processes?

A: Statistical methods are used to improve and control the quality of process.

Q: About 5% of employed adults in the United States held multiple jobs. A random sample of 60 employed ...

A: We have given that  Sample size n =61 Population proportion p=5%=0.05  

Q: Throughout a month (30 days), everyday you play a certain game exactly once. On the first day you de...

A: Given Information: A certain game is played exactly once each day throughout a month. Total deposit ...

Q: In the absence of a sampling frame for employees of a large organization, which sampling design woul...

A: Sampling design Sampling design is a mathematical function that gives you the probability of any giv...

Q: If the standard deviation of hole diameter exceeds 0.01 millimeters, there is an unacceptably high p...

A: For the given data select the correct choice

Q: -, k 0,1,2,.... Use 4 decimal places. k! a) Evaluate the probabilities Pk for k = 0,1,2,3.

A:

Q: Define Type I and Type II errors. Турe I: v the Ho, but it is Турe II: v the Ho, but it is

A: Type 1 : ?  the H0, but it is ? Type II : ? the H0 ,but it is ?

Q: Farm-grown fish are becoming very popular in supermarkets because of their lower cost relative to fi...

A: Given information: P(Fail) =10%=10100=0.10

Q: Question 7 Which of the following formulas for calculating the subjects sum of squares for a within-...

A: The formula for calculating the subjects sum of squares for a within-groups ANOVA is :  

Q: Find the area between: P(-14.875 < z < -5.125)  Using microsoft excel. Pls show the steps. Box you...

A: P(-14.875&lt;Z&lt;-5.125) =?   

Q: les) 10% 10% 30 6% 5% 60 7% 5% % of isopods( of Roaches and Pill Bugs) in warm vs 90 7% 6% Time 120 ...

A: In the first graph the comparison has been done between the proportion of roaches and proportion of ...

Q: A machine produces metal axels used in an auto-mobile suspension system. A random sample of 15 axels...

A:

Q: Find the characteristic function and probabilit generating function of geometric distribution.

A:

Q: why do we study or use 5 averages in statistics? Elaborate

A: The 5 types of averages we use in statistics are: 1- Arithmetic mean 2-Mode 3- Median 4-Root mean sq...

Q: 2. A random variable|x has the following probability distribution. Find the value of p and then eval...

A:

Q: Calculate coefficient of quartile deviation and coefficient of variation from the following data : M...

A:

Q: Assume that, using 65 observations of the time series x you estimate the AR(2) model, x =0.2+0.32.x ...

A: There are 65 observations for the model xt=0.2+0.32xt-1+0.41xt-2+ut Breusch Godfrey test for autocor...

Q: An article in Cancer Research tested the tumorigenesis of a drug. Rats were randomly selected from l...

A: Introduction: There are two types of estimation in statistical inference. Point Estimation Interval...

Q: Cloud seeding has been studied for many decades as a weather modification procedure. The rainfall in...

A: Given data is 18.0,30.7,19.8,27.1,22.3,18.8,31.8,23.4,21.2,27.9,31.9,27.1,25.0,24.7,26.9,21.8,29.2,3...

Q: Question 2 The glucose content of the syrup in canned peaches is normally distributed. A random samp...

A: We have given that  Sample size n =12 Standard deviation =4.8 90% confidence interval for population...

Q: Following is the data of sales figure of a company for 100 days : Sales : 40-50 50-60 60-70 70-80 80...

A:

Q: In how many ways can 5 boys and 5 girls be seated in row of 10 chairs a. without restriction b. if...

A: Note: Hi, thank you for the question. As per our company guideline we are supposed to answer only fi...

Q: A metal bolt is to be inserted into a hole. A random sample of n 16 parts is selected, and the hole ...

A: Given,n=16s=0.008degrees of freedom(df)=n-1df=16-1=15α=1-0.95=0.05α2=0.0251-α2=0.975χL2=χ0.9752(15)=...

Q: K Calculate the mean deviation from the mean for the following data : Size : 4 6 8 10 12 14 16 Frequ...

A:

Q: The following data are the monthly salaries and the grade point averages for students who obtained a...

A: Data  Let X monthly salary and Y be the grade point average X=2.6,3.4,3.6,3.2,3.5,2.9  Y=3300,3600,4...