New SurveyA survey was conducted two years ago asking college students their top motivations for using a creditcard. To determine whether this distribution has changed, you randomly select 425 college studentsand ask each one what the top motivation is for using a credit card. Can you conclude that there hasbeen a change in the claimed or expected distribution? Use a= 0.05. Complete parts (a) through (d).Old Survey %Frequency, f112ResponseRewards27%23%97Low ratesCash backDiscountsOther21%1089%4820%60a. State H, and H, and identify the claim.What is the null hypothesis, Ho?O A. The distribution of motivations is 27% rewards, 23% low rate, 21% cash back, 9% discounts, and 20% other.O B. The distribution of motivations is 112 rewards, 97 low rate, 108 cash back, 48discounts, and 60 other.O C. The distribution of motivations differs from the expected distribution.What is the alternate hypothesis, H2?O A. The distribution of motivations differs from the claimed or expected distribution.OR The distribution of motivations is 27% rewNards 23% low rate 21%a cash hack 9% discounts and 20%% other

Chi square test for Goodness of fit

A survey was conducted two years ago asking college students their top motivations for using a credit card. To determine whether this distribution has changed, you randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a change in the claimed or expected distribution? Use a= 0.05. Complete parts (a) through (d). New Survey Frequency, f 112 Response Old Survey % Rewards Low rates Cash back Discounts Other 27% 97 23% 21% 108 9% 48 20% 60 a. State Ho and H, and identify the claim. What is the null hypothesis, Ho? O A. The distribution of motivations is 27% rewards, 23% low rate, 21% cash back, 9% discounts, and 20% other. O B. The distribution of motivations is 112 rewards, 97 low rate, 108 cash back, 48discounts, and 60 other. O C. The distribution of motivations differs from the expected distribution. What is the alternate hypothesis, H3? O A. The distribution of motivations differs from the claimed or expected distribution. The distribution of mntivations is 27% rewards 23% low rate 21% cash hark 9% disCounts and 20% other

A survey was conducted two years ago asking college students their top motivations for using a credit card. To determine whether this distribution has changed, you randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a change in the claimed or expected distribution? Use a= 0.05. Complete parts (a) through (d). New Survey Frequency, f 112 Response Old Survey % Rewards Low rates Cash back Discounts Other 27% 97 23% 21% 108 9% 48 20% 60 a. State Ho and H, and identify the claim. What is the null hypothesis, Ho? O A. The distribution of motivations is 27% rewards, 23% low rate, 21% cash back, 9% discounts, and 20% other. O B. The distribution of motivations is 112 rewards, 97 low rate, 108 cash back, 48discounts, and 60 other. O C. The distribution of motivations differs from the expected distribution. What is the alternate hypothesis, H3? O A. The distribution of motivations differs from the claimed or expected distribution. The distribution of mntivations is 27% rewards 23% low rate 21% cash hark 9% disCounts and 20% other

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

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Concept explainers

Continuous Probability Distributions

Probability distributions are of two types, which are continuous probability distributions and discrete probability distributions. A continuous probability distribution contains an infinite number of values. For example, if time is infinite: you could count from 0 to a trillion seconds, billion seconds, so on indefinitely. A discrete probability distribution consists of only a countable set of possible values.

Normal Distribution

Suppose we had to design a bathroom weighing scale, how would we decide what should be the range of the weighing machine? Would we take the highest recorded human weight in history and use that as the upper limit for our weighing scale? This may not be a great idea as the sensitivity of the scale would get reduced if the range is too large. At the same time, if we keep the upper limit too low, it may not be usable for a large percentage of the population!

Question

New Survey
A survey was conducted two years ago asking college students their top motivations for using a credit
card. To determine whether this distribution has changed, you randomly select 425 college students
and ask each one what the top motivation is for using a credit card. Can you conclude that there has
been a change in the claimed or expected distribution? Use a= 0.05. Complete parts (a) through (d).
Old Survey %
Frequency, f
112
Response
Rewards
27%
23%
97
Low rates
Cash back
Discounts
Other
21%
108
9%
48
20%
60
a. State H, and H, and identify the claim.
What is the null hypothesis, Ho?
O A. The distribution of motivations is 27% rewards, 23% low rate, 21% cash back, 9% discounts, and 20% other.
O B. The distribution of motivations is 112 rewards, 97 low rate, 108 cash back, 48discounts, and 60 other.
O C. The distribution of motivations differs from the expected distribution.
What is the alternate hypothesis, H2?
O A. The distribution of motivations differs from the claimed or expected distribution.
OR The distribution of motivations is 27% rewNards 23% low rate 21%a cash hack 9% discounts and 20%% other

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A survey was conducted two years ago asking college students their top motivations for using a credit card. You think this distribution has changed. You randomly select 425 college students and ask each one what the top motivation is for using a credit card. Can you conclude that there has been a change in the distribution? Use a = 0.025. Complete parts (a) through (d). Response Old Survey % 29% New Survey Frequency, f Rewards 110 Low rates Cash back Discounts 23% 96 21% 109 7% 46 Other 20% 64 O B. The distribution of motivations is 110 rewards, 96 low rate, 109 cash back, 46 discounts, and 64 other. O C. The distribution of motivations is 29% rewards, 23% low rate, 21% cash back, 7% discounts, and 20% other. Which hypothesis is the claim? o Ho (b) Determine the critical value, Yo, and the rejection region. X = 11.143 (Round to three decimal places as needed.) Choose the correct rejection region below. Oc. X
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