The sample of 150 business majors, 75 rated an online training in pandemic time is very...

The sample of 150 business majors, 75 rated an online training in pandemic time is very effective. The same view was held by 81 of an independent random sample of 180 economic majors. Test at the 5% level against a two-sided alternative the null hypothesis that the population business major and economic majors students who rate an online training is very important.

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orchestra answered 1 year ago

The sample of 150 business majors , 75 rated a n online training in pandemic time...

The sample of 150 business majors , 75 rated a n online training in pandemic time is very effective . The same view was held by 81 of an independent random sample of 180 economic majors . Test at the 5% level against a two - sided alternative the null hypothesis that the population business major and economi c majors students who rate a n online training is very important. Not: You have to draw the table to see which...

The sample of 150 business majors, 75 rates online training in pandemic time is very effective....

The sample of 150 business majors, 75 rates online training in pandemic time is very effective. The same view was held by 81 of an independent random sample of 180 economic majors. Test at the 5% level against a two-sided alternative the null hypothesis that the population business major and economic majors students who rate online training are very important Note: you have to draw the table to see which area you have to calculate.

The following are the ages of a random sample of PSU Business majors summarized as a...

The following are the ages of a random sample of PSU Business majors summarized as a stem-and-leaf plot: 1 | 8899 2 | 26777 3 | 56777 4 | 01122 The following are the ages of a random sample of PSU Math majors summarized as a stem-and-leaf plot: 1 | 888888999 2 | 2479 3 | 1224 What is the IQR of the Business Major's ages? IQR = What is the range of the Business Major's ages? Range = What...

Around 16% of all ABC college students are declared econ majors. a sample of 75 students...

Around 16% of all ABC college students are declared econ majors. a sample of 75 students is taken. (1) What is the distribution of the proportion of econ majors in your sample? (sampling distribution) (2) What is the exact distribution of the number of econ majors in your sample? (3) What’s the probability that more than a quarter of the students you sample are majoring in econ (4) What’s the probability that less than 10% of the sample will be...

The student body of a large university consists of 30% Business majors. A random sample of...

The student body of a large university consists of 30% Business majors. A random sample of 6 students is selected. A. What is the probability that exactly 4 are business majors? B. What is the probability that no more than 2 are business majors? C. What is the probability that at least 3 are business majors? D. What is the probability that less than 5 are business majors?

A report suggests that business majors spend the least amount of time on course work than...

A report suggests that business majors spend the least amount of time on course work than other college students (The New York Times, November 17, 2011), A provost of a university conducts a survey of 50 business and 50 nonbusiness students. Students are asked if they study hard, defined as spending at least 20 hours per week on course work. The response shows "yes" if they worked hard or "no" otherwise; a portion of the data is shown in the...

At a certain trucking company, 75% of the trucks are on time. A sample of 10...

At a certain trucking company, 75% of the trucks are on time. A sample of 10 trucks are studied. a.) Find the probability that all of the 10trucks are on time. b.) Find the probability that exactly 8trucks are on time.

A random sample of 150 companies found that 75 of them use social-media tools and technologies....

A random sample of 150 companies found that 75 of them use social-media tools and technologies. Determine the LOWER confidence limit (LCL) for an 80% confidence interval for the population proportion.

At a certain airport, 75% of the flights arrive on time. A sample of 10 flights...

At a certain airport, 75% of the flights arrive on time. A sample of 10 flights is studied. (Assume flights either arrive on time or delayed.) Type your answer with 3 significant digits if necessary. (2.333, 0.0332, 0.000322). a) What is the probability that at least 8 flights arrive on time? b) What is the probability that 7 flights on time and 3 flights are delayed? c) What is the standard deviation of the number of flights on time?

How has the Covid – 19 pandemic affected online e-business transactions? Give examples.

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