standard deviation of 0.25 ounces. Forty jars filled by this machine are selected at random. What is the probability that the mean amount per jar filled in the sampled jars is less than 3.9 ounces? 0.0250 0.0500 None of these 0.3446

Q: 1. A hypothesis test is done in which the alternative hypothesis is that more than 10% of the…

A: According to our policy we can answer only first part for remaining please repost the question.

Q: Motor Vehicles office tried a new customer service system after people complained they were wasting…

A: Formula Used: Standard deviation σ = ∑F·X2-∑FX2NN

Q: The board of director of a company has voted to create an employee council for the purpose of…

A:

Q: Draw or imagine a smooth curve through the tops of the bars on the histogram.  Describe its shape…

A:

Q: Develop a 99.5% interval estimate of the population mean for the following data set: 10, 4, 5, 5,…

A: Given data : 10, 4, 5, 5, 8, 3, 4, 8, 5, 9, 5, 7, 8, 7, 10, 7, 8, 4, 8, 3, 3, 6, 7, 7, 8, 6, 4, 6

Q: In a study, the sample is chosen by dividing the population into voting precincts, and sampling…

A: Explanation: Here given the question  Find the what is the sampling method  Finally the option d…

Q: Describe three univariate statistics. Use relevant examples to illustrate your comprehension of…

A: Univariate analysis explores each variable in a data set, separately. It looks at the range of…

Q: The sample size criteria for multinomials is that all expected group counts need to be at least 5…

A: Multinomial distribution: A discrete r.v. X=(x1,  x2 , ......xk) is said to be multinomial…

Q: For each situation, identify the sample size n, the probability of a success p, and the number of…

A:

Q: Find the E(X) of the random variable X with the following PDF: £x(x)=4410.11(x)+(1.2)(x)+(-+)423)(x)

A: 3 Given density function is, fx=x2I0,1x+12I1,2x+-x2+32I[2,3)x      =x2, 0<x<112,…

Q: Prove using the properties of set operations: a. A - B and An B are disjoint.

A: Solution-: We want to prove A-B and A∩B are disjoint.

Q: The retirement age of National Football League (NFL) players is Normally distributed with a mean of…

A: Consider that the mean and standard deviation of a random variable X are µ and σ, respectively.…

Q: 1. Construct the scatter plot and describe the plot. 2. Determine the correlation coefficient. 3.…

A: The provided information is  Company Cars (x) Income (y) xy x2 y2 A 63.0 7.0 441 3969 49 B…

Q: 12. The sign of the alternative hypothesis in a right-tailed test is always A. equal B. not equal C.…

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

Q: 1. ??: ? = 90 ??: ? ≠ 90 The sample mean is 69 and sample size is 35. The population follows a…

A: 1. The provided information is  x¯=69µ=90σ=5α=0.05n=35a.The null and alternative hypothesis is…

Q: write an analysis for the normality of the data and analysi for box plo

A:

Q: a store claims that on the average they sell 800 pieces of candies. during the last five days,…

A: The question is about hypo. testing of a popl .mean Given : No. of days ( n ) = 5 No. of sold pieces…

Q: Linear Regression Use linear regression to find the equation for the linear function that best fits…

A: Regression equation.  Y= mx + b Where m = slope  And b=intercept of y

Q: RST MAV025015 N831056000 7.P(N)- &P(RON)- 9. Are events and 5 muy velve! Tee in Yor

A: Given P(R)=0.40 P(S)=0.41 P(T)=0.19

Q: 3. The Impact of Inductive Method on Teaching Writing a Position Paper INDEPENDENT VARIABLE…

A: The values of dependent variable depends upon the values of independent variable. Independent…

Q: The following data shows the car rental companies and their cars and corresponding income in the…

A: The provided data is  Company Cars (x) (in ten thousands) Income (y) (in billions) xy x2 y2…

Q: 7. A company is considering using Markov theory to analyse consumers switching between the five…

A: “Since you have posted a question with multiple sub-parts, we will solve second sub-parts for you as…

Q: Personnel tests are designed to test a job​ applicant's cognitive​ and/or physical abilities. A…

A:

Q: Which of the distributions shown has the smallest standard deviation? e: O The green curve, because…

A: Given : There is given 3 curve in a diagram which is shown by red , green and black color

Q: alysis of is of Variance tests to see if there is a statisti O True O False Previous

A: The statement is Analysis of  variance tests to see if there is a statistically significant…

Q: Let {1,2,3,4,5,6}. Construct the minimal field containing set A. 1. A={{1,2}, {3,4}}

A: Given: Let, Ω={1,2,3,4,5,6} A={{1,2},{3,4}}

Q: 4. The Impact of the Level of Native Language Proficiency on the Literacy Achievement of English…

A: Here literacy achievement of English language leisures(2012) depends on the level of Native language…

Q: 13. The sign of the alternative hypothesis in a two-tailed test is always D. less than A. equal B.…

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

Q: A lottery selects 2 digits from 0-9 without replacement. What is the probablilty that all 2 digits…

A:

Q: The time it takes to preform a task has a continuous uniform distribution between 43 min and 57 min.…

A:

Q: A random survey of people at a science fiction convention asked them how many time they had seen…

A: Given data is3,4,2,8,10,5,1,15,5,16,6,3,4,9,12,3,30,2,10,7sample size(n)=20

Q: 43. Mr. Encio believes that health is wealth. That is why as part of his routine, he dances every…

A: Dear student according to guidelines we solve only first question. Solution Given in the question…

Q: A psychologist is interested in constructing a 99% confidence interval for the proportion of people…

A: Given X=73 n=707

Q: b. A quality study was performed on the manufacture of integrated circuits. A sample of 1200 units…

A:

Q: Find a 99% confidence interval for the population mean for the data set (120, 80, 83, 115, 95, 90,…

A: Solution-:

Q: Find the area under the standard normal curve within 2.7 standard deviations of the mean. Round the…

A: Here we want to find area under the standard normal curve within 2.67 sd of the mean.

Q: A study done by researchers at a university concluded that 90% of all student athletes in a country…

A: The question is based confidence interval for a popl. proportion Given : Prop. of all student…

Q: This problem demonstrates a possible (though rare) situation that can occur with group comparisons.…

A:

Q: Table 3.1 Final examination grades on Basic Statistics course 23 60 79 57 32 82 52 70 36 74 80 77 81…

A: Given data, Data 23 60 79 32 57 74 52 70 82 36 80 77 81 95 41 65…

Q: Use the given data to test the indicated hypothesis. Р n X S 90 191 96.7 37.5 a 0.05 H₁ P<90

A:

Q: The tallest living man at one time had a height of 246 cm. The shortest living man at that time had…

A: The provided information is  µ=170.86 cmσ=8.41 cmThe z score for tallest living man at one time time…

Q: Determine the t - value to be used to construct a 90% confidence interval for the population mean…

A: Given that 90% confidence interval for the population mean based on a sample 14 n=sample size=14…

Q: The mean score of a class of 30 students in their math test is 6.267. The standard deviation is 1.9…

A: The null and alternative hypothesis is, The given 95% confidence interval for population mean is,…

Q: At a local high school, GPA's are normally distributed with a mean of 2.9 and standard deviation of…

A: Given problem Given that   At a local high school, GPA's are normally distributed with a mean of…

Q: solve the following: Flipping a coin 3 times, find the following probability: Exactly 2 heads At…

A:

Q: When n≥30 and the population standard deviation is unknown, what is the appropriate distribution? P…

A: Disclaimer: Since you have asked multiple question, we will solve the one question for you. If you…

Q: (1) What are advantage and disadvantages of Apriori Algorithm (II) For the given below transaction…

A:

Q: To assess the actual mean weight of apples, a farm manager selected a random sample of 75 apples. He…

A: Solution-: Given: \bar{x}=126.2, n=75,s=8.7, Confidence Limit =(126.2±2.57) We want to find the…

Q: f the maximum error with 0.99 probability is 0.25 and a sample size 400, then the standard deviation…

A: Maximum error=Margin of error=0.25 Sample size; n=400 α=0.01

Q: What would be the excel equation for this problem?

A: The mean is 110 and the standard deviation is 25 grams.