In the book A Guide to the Development and Use of the Myers-Briggs Type Indicators by Myers and McCaully, it was reported that approximately 45% of all university professors are extroverted. Suppose you have classes with four different professors.   What is the standard deviation of the distribution? (Round your answer to two decimal places.) extroverts

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A: Formula : Z =(X - μ)/σ

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Q: (d) In a group of three professors selected at random, what is the expected number of extroverts?…

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Q: Childhood participation in sports, cultural groups, and youth groups appears to be related to…

A: Solution:a.From the given information, sample size is 100, population mean is 50, population…

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A: Mean = 20 standard deviation = 3 n = 49

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Q: Given the following data for an imaginary superhero universe:    Flying   Telepathy   Super…

A: Solution: From the given information, the table of data is

Q: Childhood participation in sports, cultural groups, and youth groups appears to be related to…

A: Solution: Given information: n= 100 Sample size  μ=50 Population meanσ=15 Population standard…

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A: Given data : sample size, n = 100 sample mean, x̄ = 53.8 population standard…

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A: 1000 0.6 600 1000000 600000 1200 0.3 360 1440000 432000 1500 0.1 150 2250000 225000

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A: Given: α=0.1 Hypothesis: H0: μ1=μ2=μ3 H1: At least one of the mean is different from the others.

Q: Childhood participation in sports, cultural groups, and youth groups appears to be related to…

A: Given that n = 100 sample mean = 53.8 sd = 15 mu =50

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A: Given, Face to face Hybrid Online 75 70 58 61 64 95 75 83 75 63 98 59 70 100 64 97 72…

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A: a) Mean =E(X) =0(0.2)+1(0.3)+2(0.01)+3(0.09)+4(0.4) =2.19

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A:

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Q: For the following distribution -1,0,1, what is the sample variance?

A: Here the sample size is N=3 The mean of the sample is, μ=1N∑i=1NXi=-1+0+13=0

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A:

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Q: . What is the value of the standard deviation of the sampling distribution? A. 0.08 B. 0.4 C. 1.2…

A: We have given that  Standard deviation, σ = 0.4 Sample size, n = 25

Q: For the following significance level, what is the probability of making a Type I error? a = 0.02

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Q: 4. According to a 2019 Federal Reserve report, 54% of U.S. young adults who went to college took on…

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Q: 8. Childhood participation in sports, cultural groups, and youth groups appears to be related to…

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Q: A researcher wants to know if the news station a person watches is a factor in the amount minutes)…

A: Given data:

Q: Is race a factor in the number of times a month a person eats out? The table below shows data that…

A: ANOVA: The analysis of variance (ANOVA) is used to determine whether there are any statistically…

Q: Is race a factor in the number of times a month a person eats out? The table below shows data that…

A: To test the difference of more than 2 means, ANOVA one way classification is used.

Q: A hospital wants to determine if the type of treatment for pneumonia is a factor in recovery time?…

A: Hi! Thank you for the question, As per the honor code, we are allowed to answer three sub-parts at a…

Q: A hospital wants to determine if the type of treatment for pneumonia is a factor in recovery time?…

A:

Q: Which hypotheses can be used to perform the test in the following scenario? The mean lasting time…

A: Here,we need to compare between the mean lasting time of two types of floor tiles.Hence,we need to…

2-Proportion Test

In a 2-proportion test, two separate proportions are measured at the same time, and their similarity is evaluated. It is also known as a 2-proportion z-test, and a comparison of two different proportions is done in this method.