What is the standard deviation

Reference no: EM131417868

Cancelled flights

Mary is deciding whether to book the cheaper flight home from college after her final exams, but she's unsure when her last exam will be. She thinks there is only a 20% chance that the exam will be scheduled after the last day she can get a seat on the cheaper flight. If it is and she has to cancel the flight, she will lose $150. If she can take the cheaper flight, she will save $100.

a) If she books the cheaper flight, what can she expect to gain, on average?

b) What is the standard deviation?

Reference no: EM131417868

Questions Cloud

Naval criminal investigative service : Your instructor provided you with feedback regarding areas in which you are strong, as well as a rubric that includes feedback as well. Writing in narrative style, identify several strengths using no fewer than 75 words.

Create a probability model for the profit on a policy : Create a probability model for the profit on a policy.- What's the company s expected profit on this policy?- What's the standard deviation?

Primary goal of influencing teens : We made up a company that has the primary goal of influencing teens to participate in activities that are non-technological and outsources these various activities. These two questions need to be answered for our business. References cited please.

There for quadratic equations : How many solutions are there for quadratic equations, which are expressed in the form of ax2 + bx + c = 0, where a does not equal 0? Explain why.

What is the standard deviation : Mary is deciding whether to book the cheaper flight home from college after her final exams, but she's unsure when her last exam will be. - If she books the cheaper flight, what can she expect to gain, on average? - What is the standard deviation?

Global marketing management-international marketing research : Could anyone give some advices to do my coursework regarding with Global marketing management and International marketing research?

What types of contamination can occur : What types of contamination can occur? How can contamination be avoided when compounding sterile preparations? Write a 2-page paper using APA format. Remember to cite your research.

What proportion of us households can be reached : Polling agencies won't phone cell phone numbers because customers object to paying for such calls. What proportion of U.S. households can be reached by a landline call?

Explain is snoring independent of age : After surveying 995 adults, 81.5% of whom were over 30, the National Sleep Foundation reported that 36.8% of all the adults snored.- What percent of the respondents were under 30 and did not snore?

User Account

All Pages