Statistics Question

Q: 3800 1674

A: From the provided information, The expression is as follow: 3800 – 1674

Q: The following confidence interval is obtained for a population mean, u: (0.862, 0.894). Use these co...

A: Given: The confidence interval for a population mean is ( 0.862, 0.894) We have to find the value of...

Q: Compute the the SS (sum of squared deviation)  for Jumping Jacks. Round your answer the nearest 2 de...

A: Let's first write the available data in a required form. Subjects Jumping Jacks (xi) Albert  2 ...

Q: Suppose that a publisher conducted a survey asking adult consumers the number of fiction paperback b...

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for yo...

Q: The boxplot below shows salaries for Construction workers and Teachers. Construction Teacher 20 25 3...

A:

Q: High density lipoprotein in healthy males follow a normal distribution with a mean of 50 and a stand...

A: Solution : Given : X : High density lipoprotein in healthy males and X has normal distribution with ...

Q: Find the weight that corresponds to each event

A: Note: Hi there! Thank you for posting the question. As there are multiple sub parts, according to ou...

Q: We are going to calculate the standard deviation for the following set of sample data. 1) First, cal...

A: 1) x 4 6 5 5 10 ∑x=30   The mean is calculated as: μ=∑xn=305 = 6

Q: Ten of the 100 digital video recorders (DVRS) in an inventory are known to be defective. What is the...

A: Given that in total of 100 digital video recorders 10 are defective. Let the probability of selectin...

Q: find the number of women

A: Given: z = 1.67 It is given that, Person J’s finishing time is 1.67 standard deviation faster than t...

Q: If an M/M/1 queue has utilization of 90%, what do you think will be the average queue length and the...

A: Given that, M/M/1 queue has utilization of 90% that is ρ=0.90. Also, it is given that the arrival ra...

Q: The variable Z has a standard Normal distribution. Find the value z such that 85% of the observation...

A: We have to find the value z such that 85% of the observations fall below z i.e we have to find z suc...

Q: 7. The sample mean estimator for the population mean a. has a small standard error b. potentially ha...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: Find the critical values using the information in the table. set hypothesis a a) A- Ho 0 0.048 c) 4-...

A: The values are obtained using the distribution tables. The hypotheses given depict that all the test...

Q: A survey was conducted to determine the distribution of home sizes in the state of Washington. The d...

A: The homes that were surveyed larger than 4000 square feet come under the interval of 4000-5000 feet,...

Q: that has a *In a Sandwich shop the following shop, the probabiluty distribution was abtained. the ra...

A: Obtain the value of mean. The value of mean is obtained below as follows :   From the information, g...

Q: Forty randomly selected students were asked the number of pairs of sneakers they owned. Let X = the ...

A: As per guidelines we will only answer first three parts for the solution. Given information: X = the...

Q: The following data values are per capita expenditures on public libraries for each of the 50 states....

A: Here, per capita expenditures on public libraries for the 50 states are given. A histogram is needed...

Q: Look at the Table, specifically the information related to "stroke severity." What is the dependent ...

A: The dependent variable is a variable that changes depending on the value of another variable.  The i...

Q: please assist with this NON GRADED assignment.

A: Note: I have solved only the incorrect parts

Q: The data on traffic accidents indicates that the average rate of accidents istwo per week.   a) Find...

A:

Q: Express the 90% confidence interval 0.3333<p<0.5555in the form p±E.

A: Given Data: 90% Confidence Interval: (0.3333, 0.5555) Upper confidence level=0.5555 Lower confidence...

Q: Using the z table (The Standard Normal Distribution Table), find the critical value (or values) for ...

A: Given Information: Significance level α=0.09 Type of test: Right tailed Required: To find z-critical...

Q: the two variable in this scatter plot...... a) the variables appear to be positive b) the variables ...

A: Assuming Horizontal axis = x Vertical axis = y  

Q: With a valid detailed explanation give the correct answer out of the three.

A: the correct answer is B  

Q: A pipe can full the tub alone in 10 minutes time, another can do it in 20 minutes and drain if opene...

A: The first pipe can fill the tub in 10 minutes, Therefore, in one minute, the pipe can fill 110 of th...

Q: Both questions answers with explanation required

A: Given that  Rolling a dice once.    Let  A={1,2,3,4}  B={2,4,6} Mutually exclusive events - Two even...

Q: Pipe flow in a pipe system, the 5 min interval flow speeds are measured in hydraulic testing.calcula...

A: Given data is:  

Q: A bag contains three different balls, one red (r), one blue(b), one white(w). TWO balls are drawn fr...

A: Given Data: There are 3 different balls in a bag One red (R) One blue (B) One white (W)

Q: Twenty-five randomly selected students were asked the number of movies they watched the previous wee...

A: Given Information : Twenty-five randomly selected students were asked the number of movies they wat...

Q: An experiment tested if a person can be subconsciously influenced into yawning if another person nea...

A: Given, An experiment tested if a person can be subconsciously influenced into yawning if another per...

Q: Following are age and price data for 8 randomly selected ambulances between 1 and 6 years old. Here,...

A: From given data, X Y X*Y X*X 6 260 1560 36 1 400 400 1 6 275 1650 36 2 370 740 4 6 265 ...

Q: 9. For sufficiently large sample size, the random variable has a probability distribution centered a...

A: Sampling Distribution of Statistics: A sample of size n is chosen from the population of size N. The...

Q: Assume that X has a normal distribution with mean u= 15.2 and the standard deviation is o= 0.9., fin...

A: Given: μ=15.2, σ=0.9 The corresponding z-value needed to be computed are: Thus,        

Q: One weekend, a statistician notices that some of the cars in his neighborhood are very clean and oth...

A: Note- As per our policy we can answer only the first 3 sub-parts of a question. If you want solution...

Q: The cost of a leading liquid laundry detergent in different sizes is given below. Size (ounces) ...

A: Since you have posted a question with multiple sub parts, we will solve first 3 sub parts for you. T...

Q: Which of the following is NOT considered the assumption about the pattern of heteroscedasticity Sele...

A: Hey, since there are multiple subparts posted, we will answer first four subparts. If you want any s...

Q: a. When controlling for both house size and lot size, the number of bedrooms has a significant linea...

A: Here the level of significance = 0.05 , and the P-values for Independent variables "Bedrooms, House ...

Q: 1. You’re a DJ on a radio station. You access the BBC sounds library and select 97 funktracks, 47 hi...

A: Given: Funk Tracks = 97Hiphop Tracks = 47Jazz Tracks = 77

Q: State the appropriate null and alternative hypothesis and find the critical value for a left-tailed ...

A: Given Information: Significance level α = 0.10  Sample size (n) = 23 Population standard deviation σ...

Q: I hope you can help me

A: If two balls are selected with replacement, then there can be 3 possible value of random variable Y:...

Q: A lawyer believes that a certain judge imposes prison sentences for property crimes that are longer ...

A: Given: μ=11.7x¯=13.8s=3.9n=36 Hypothesis: Null hypothesis: H0: μ=11.7Alternative hypothesis: H1: μ&g...

Q: of $12,837 per yea culator and round t

A: We know that if X follows normal distribution with mean μ and standard deviation σ, then standardiza...

Q: Mathematical statistics with it's application question!

A: Given: x¯=188.4μ=192.0σ=40.7n=38 From the Standard Normal Table, the value of z* for 95% level is 1....

Q: What value of zα/2 is used in confidence interval shown below?

A: For 90% confidence interval Significance level α = 1- 0.90 = 0.1

Q: Find the sum-of-squares-error associated with the given set of data and y = 2 + 4. (1, 5) (2, 10) (3...

A: Sum of Squares: It is a statistical measure that is used to find the variation in the data and fit o...

Q: Which is more affected by extreme observations, the mean or median? And how about the standard devia...

A: As median and IQR are not affected by the outliers, options (b), (c) and (d) are considered as incor...

Q: Fifteen Smart Cars were randomly selected and the highway mileage of each was noted. The analysis yi...

A: Solution: Let X be the highway mileage of smart car. From the given information, x-bar=47 miles per ...

Q: According to the College Board’s website, the average tuition cost per year for a public four-year c...

A: Given, Population mean = μ = 10230 Sample size = n = 20 Level of significance = α = 0.05 The null an...

Q: Statistics Question

A: a)  When individuals are selected at a regular interval from sampling frame, then this type of sampl...