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Each question is worth O0.5 points unless otherwise noted. A total of 20 points are available....
Click Submit to complete this assessment. Question of Questions 3 points The heights (in inches) of...
Click Submit to complete this assessment. Question of Questions 3 points The heights (in inches) of adult males in the United States are believed to be Normally distributed. The average height of a random sample of 25 American adult males is found to be 69.72 inches and the standard deviation is 4.15. A 90% confidence interval of the true mean of the heights (in inches) of adult males in the United States is: Question Click Submit to complete this assessment
1. Ms. Jackson has three sections of the course "Introduction to Statistics.” The midterm results reveal...
1. Ms. Jackson has three sections of the course "Introduction to Statistics.” The midterm results reveal that class A has an average of 82, class B has an average of 88, and class C has an average of 92. If there were 20 students in class A, 25 students in class B, and 27 students in class C, what is the combined mean (the average for all the three classes)? Show your work. 2. In your Biology class, your final...
Can someone help with these hw questions? it's not worth a lot of points need help with confidenc...
can someone help with these hw questions? it's not
worth a lot of points need help with confidence intervals
MBA510A Assignment 5_Hypothesis Testing (3) (Protected View) - Word Rich Layout References Mailings Review View Help Tell me what you want to do m the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View.Enable Editing 2 Gloucester Township Department of Public Works, in an effort to encourage use of its public parks during the...
Question 4 Essay Worth 10 points) (04.01 MC) To increase sales, an online dothing store began...
Question 4 Essay Worth 10 points) (04.01 MC) To increase sales, an online dothing store began giving a 50% off coupon to random customers. Customers didn't know whether they would receive the coupon until after the final sale The website claimed that one in five customers received the coupon. Six customers each made purchases from the website. Let X = the number of customers that received the 50% off coupon Part A: Is X a binomial random variable? Explain (3...
Question 3(Multiple Choice Worth 2 points) (07.01 MC) A fast-food chain claims one small order of...
Question 3(Multiple Choice Worth 2 points) (07.01 MC) A fast-food chain claims one small order of its tater tots weighs 90 grams. Ava thinks she is getting less than what the restaurant advertises. She weighs the next 14 random orders o tater tots before she eats them and finds the sample mean is 89.3 grams and the standard deviation s 37 gams. What con us can be drawn at a There is not sufficient evidence to prove the fast-food chain...
question 4 1. A distribution has a standard deviation of a = 12 points. Find the...
question 4
1. A distribution has a standard deviation of a = 12 points. Find the 2-score for each of the following locations in a distribution by sketching a distribution (do not use an equation). (4 points) a. Above the mean by 4 points b. Below the mean by 6 points c. Below the mean by 18 points 2. A distribution has a standard deviation of a = 5 and u = 30. Find the score for each of the...
2.Heights of the Highest Waterfalls The heights in feet) of the 20 highest waterfalls in the...
2.Heights of the Highest Waterfalls The heights in feet) of the 20 highest waterfalls in the world are shown here. (Note: The height of Niagara Falls is 182 feet!) below. Based on these data, what do you think of the claim that the average expenditure per pupil in the United States exceeds $10,000? a 94222 b 8988 3212 2800 2625 2540 2499 2425 2307 2151 2123 2000 1904 1841 1650 1612 1536 1388 1215 1198 1182 1170 Source: New York...
Use Random number generator (under Data Analysis) to create two sets of data each 20 points...
Use Random number generator (under Data Analysis) to create two sets of data each 20 points long. Use the following parameters: number of variables (2), number of data point (20), Distribution (Normal), Mean (20), Standard Deviation (5), Random seed (4565). Perform t-test on these two data sets. And answer the questions for Assessment. (Pick the closest answer) 1. What is the range P-value? a. Between 0% and 1% b. Between 1% and 2% c. Between 2% and 3% d. None...
Question 1 Each one of the multiple choice questions is worth 3.5 points 1. Which one...
Question 1 Each one of the multiple choice questions is worth 3.5 points 1. Which one of the following is correct about D'Arsonvals E. DC sensitivity is 3462/V and the required multiplier resis tance is 207.6kN which must be connected in series with the D'Arsonval A. the deflection stops in D'Arsonvals due to restoring torque produced by control spring. The unit of control spring con- stant is Nm B. the deflection stops in D'Arsonvals due to deflection torque produced by...
1. Find c such that each of the following is true. Sketch the curve. a. P...
1. Find c such that each of the following is true. Sketch the curve. a. P (0 <z<c) = 0.3686 b.P (c<z < 0) = 0.4706 c. P 1-c<z<c) = 0.2510 d. P Iz > c) = 0.7054 e.P (z > c) = 0.0351 2. In a certain village, the average family incomes are normally distributed with a mean of Php 60,000 and a standard deviation of Php 30.000 per month. Find: a. The probability that a given family has...
Click Submit to complete this assessment. Question of Questions 3 points The heights (in inches) of adult males in the United States are believed to be Normally distributed. The average height of a random sample of 25 American adult males is found to be 69.72 inches and the standard deviation is 4.15. A 90% confidence interval of the true mean of the heights (in inches) of adult males in the United States is: Question Click Submit to complete this assessment
1. Ms. Jackson has three sections of the course "Introduction to Statistics.” The midterm results reveal that class A has an average of 82, class B has an average of 88, and class C has an average of 92. If there were 20 students in class A, 25 students in class B, and 27 students in class C, what is the combined mean (the average for all the three classes)? Show your work. 2. In your Biology class, your final...
can someone help with these hw questions? it's not
worth a lot of points need help with confidence intervals
MBA510A Assignment 5_Hypothesis Testing (3) (Protected View) - Word Rich Layout References Mailings Review View Help Tell me what you want to do m the Internet can contain viruses. Unless you need to edit, it's safer to stay in Protected View.Enable Editing 2 Gloucester Township Department of Public Works, in an effort to encourage use of its public parks during the...
Question 4 Essay Worth 10 points) (04.01 MC) To increase sales, an online dothing store began giving a 50% off coupon to random customers. Customers didn't know whether they would receive the coupon until after the final sale The website claimed that one in five customers received the coupon. Six customers each made purchases from the website. Let X = the number of customers that received the 50% off coupon Part A: Is X a binomial random variable? Explain (3...
Question 3(Multiple Choice Worth 2 points) (07.01 MC) A fast-food chain claims one small order of its tater tots weighs 90 grams. Ava thinks she is getting less than what the restaurant advertises. She weighs the next 14 random orders o tater tots before she eats them and finds the sample mean is 89.3 grams and the standard deviation s 37 gams. What con us can be drawn at a There is not sufficient evidence to prove the fast-food chain...
question 4
1. A distribution has a standard deviation of a = 12 points. Find the 2-score for each of the following locations in a distribution by sketching a distribution (do not use an equation). (4 points) a. Above the mean by 4 points b. Below the mean by 6 points c. Below the mean by 18 points 2. A distribution has a standard deviation of a = 5 and u = 30. Find the score for each of the...
2.Heights of the Highest Waterfalls The heights in feet) of the 20 highest waterfalls in the world are shown here. (Note: The height of Niagara Falls is 182 feet!) below. Based on these data, what do you think of the claim that the average expenditure per pupil in the United States exceeds $10,000? a 94222 b 8988 3212 2800 2625 2540 2499 2425 2307 2151 2123 2000 1904 1841 1650 1612 1536 1388 1215 1198 1182 1170 Source: New York...
Question 1 Each one of the multiple choice questions is worth 3.5 points 1. Which one of the following is correct about D'Arsonvals E. DC sensitivity is 3462/V and the required multiplier resis tance is 207.6kN which must be connected in series with the D'Arsonval A. the deflection stops in D'Arsonvals due to restoring torque produced by control spring. The unit of control spring con- stant is Nm B. the deflection stops in D'Arsonvals due to deflection torque produced by...
1. Find c such that each of the following is true. Sketch the curve. a. P (0 <z<c) = 0.3686 b.P (c<z < 0) = 0.4706 c. P 1-c<z<c) = 0.2510 d. P Iz > c) = 0.7054 e.P (z > c) = 0.0351 2. In a certain village, the average family incomes are normally distributed with a mean of Php 60,000 and a standard deviation of Php 30.000 per month. Find: a. The probability that a given family has...
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