A study was conducted to test the effectiveness of a juggling class. Before the class started, six subjects juggled asmany balls as they could at once. After the class, the same six subjects juggled as many balls as they could. Theresults are as follows.StudentABCDEFBefore34345After45647a. Test whether the class is effective at increasing the number of balls they were able to juggle. Use a= 0.01b. Construct a 99% confidence interval for the mean of the differences.

The t test is a type of parametric test. It used to compare the mean significance between the sample…

Answered: A study was conducted to test the…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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A gum ball machine contains 24 gum balls. Some are purple and the rest are yellow. There are 5 times as many purple gum balls as yellow. Because the purple gum balls are slightly smaller than the yellow, each purple gum ball is 3 times as likely to be dispensed as each yellow gum ball. An experiment consists of the machine dispensing one gum ball. Let each gum ball be considered one outcome. 1. What weight should be assigned to each purple gum ball? 2. What is the probability of the event that a yellow gum ball is dispensed?
How could you use a random-digit generator or random-number table to simulate rain if you knew that 30% of the time with conditions as you have today, it will rain? Choose the correct answer below. O A. Let the digit 3 represent "rain," and let any other digit represent "no rain." Generate random digits and record the results. O B. Let the digits 1, 2, and 3 represent "rain," and let the digits 4, 5, 6, 7, 8, 9, and 10 represent "no rain." Generate random digits and record the results. OC. A random-digit generator or random-number table cannot be used to simulate rain. O D. Let the digits 0, 1, and 2 represent "rain," and let the digits 3, 4, 5, 6, 7, 8, and 9 represent "no rain." Generate random digits and record the results.
Parker conducted a random survey at the mall to determine the number of songs in each genre that were downloaded by 40 students. The results are shown in the bar graph. Music Downloads 10 6 KEY 4 Girls Boys Country Rap Rock Genre Based on the information in the graph, which inference about the general population of students is valid? F Girls like country music more than all other genres combined. G More girls than boys like rock music. H Boys like country music more than rock music. J Boys like rock music more than girls like rap music. Number of Songs
PLEASE PROVIDE THOROUGH EXPLANATION....answer for ii) is 1/3
Assuming a population of interest is approximately normally distributed, construct a 95% confidence interval estimate for the population mean given the following values: Sample mean = 30; %3| Sample standard deviation =3.5; Sample size =15
Five out of 10 marbles in a bag are red. What percentage of the marbles are not red?
Funding for many schools comes from taxes based on assessed values of local properties. People's homes are assessed higher if they have extra features such as 0 paved driveways and fireplaces. Assessment records in a certain school district indicate that 47% of the homes have paved driveways and 8% have fireplaces. The Addition Rule might suggest, then, that 55% of residences have a paved driveway or a fireplace. What is wrong with that reasoning? Choose the correct answer below. O A. The reasoning is correct. Thus, 55% of homes have either a paved driveway or a fireplace. O B. The sum of the probabilities of the two given events does not equal 1, so this is not a legitimate probability assignment. 03 O C. A home may have a paved driveway and a fireplace. The events are not disjoint, so the Addition Rule does not apply. O D. If a home has a paved driveway or a fireplace, it can influence another homeowner to add a paved driveway or a fireplace. The events are not independent, so the…
A firm randomly surveys 300 people out of the 3,000 people who have shopped in the store (only one location) in the last month and bought something. They are trying to determine how many people bought more than three items. The firm made sure that 50% were males and 50% were females. They found that 91 people bought more than three items and 209 bought three or less items. Which value represents the population? 3,000 300 91 Question 10 From the previous question what was the sample? 3000 300 O 91
You see a game at a local fair. You have to throw a dart at a color wheel. Each section on the color wheel is equal in area. # 3 e d C Let B = the event of landing on blue. Let R = the event of landing on red. Let G = the event of landing on green. Let Y = the event of landing on yellow. a. C If you land on b. If you land on red, you don't $ 4 r f V % Y, Y, you get you get the biggest prize. Find P(Y). 5 t 8 b 6 Oll y get a prize. What is P(R)? h & 7 n J j * 8 3 ( 9 k O L 0 alt р { ctrl [ + ? 2 backs ] 1
The 2017 Chapman University Survey of American Fears asked a random sample of 1207 American adults if they believed that aliens had come to Earth in modern times, and 26% responded yes. Complete parts (a) through (d) below.
answer in 30 minutes.

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