Bus 475 final exam with 100 questions with answers step 1

studying about entrepreneurship and new ventures, which of these would you tell him is true?

A. Successful entrepreneurs take very careful, calculated risks B. Anyone can start a business C. All entrepreneurs need venture capital in order to get started D. Entrepreneurs are their own bosses and completely independent E. Money should not be considered a start-up ingredient 42) Jolly Blue Giant Health Insurance (JBGHI) is concerned about rising lab test costs and would like to know what proportion of the positive lab tests for prostate cancer are actually proven correct through subsequent biopsy. JBGHI demands a sample large enough to ensure an error of Âą 2% with 90% confidence. What is the necessary sample size?

A. 1,692 B. 609 C. 2,401 D. 1,604 43) In a right-tail test, a statistician came up with a z test statistic of 1.469. What is the p-value?

A. .0708 B. .0301 C. .4292 D. .0874 44) Twelve randomly-chosen students were asked how many times they had missed class during a certain semester, with this result: 2, 1, 5, 1, 1, 3, 4, 3, 1, 1, 5, 18.

For this sample, the median is _____.

A. 3.5 B. 3 C. 2.5 D. 2 45) Twelve randomly-chosen students were asked how many times they had missed class during a certain semester, with this result: 2, 1, 5, 1, 1, 3, 4, 3, 1, 1, 5, 18.

For this sample, the standard deviation is approximately _____.

A. 3.75 B. 4.55 C. 4.75 D. 3.03