1 in a class there are 20 students 3 are 5 6 5 are 58 4 are, Ask an Expert

Statistics

1. In a class there are 20 students: 3 are 5' 6", 5 are 5'8", 4 are 5'10", 4 are 6', and 4 are 6' 2". A student is chosen at random. What is the student's expected height?

2. In Las Vegas the roulette wheel has a 0 and a 00 and then the numbers 1 to 36 marked on equal slots; the wheel is spun and a ball stops randomly in one slot. When a player bets 1 dollar on a number, he receives 36 dollars if the ball stops on this number, for a net gain of 35 dollars; otherwise, he loses his dollar bet. Find the expected value for his winnings.

View complete question

Statistics and Probability, Statistics

Category:- Statistics and Probability
Reference No.:- M91645197

Have any Question?Write your Review or question?

Related Questions in Statistics and Probability

Suppose you want to calculate the z-score for your height

Suppose you want to calculate the? z-score for your height. How will the? z-scores compare if you use your height in inches verses? centimeters?

What is measured by the numerator of the z-score test

What is measured by the numerator of the z-score test statistic?

An annual survey of first-year college students ask 273000

An annual survey of first-year college students ask 273,000 students about their attitudes on a variety of subjects. According to a recent survey, 57% of first-year students believe that abortion should be legal. Use 0.0 ...

Answer as thourough as possibleconsider an airline whose

Answer as thourough as possible. Consider an airline whose bottom line is sensitive to volatile jet fuel prices. To reduce the volatility, management decides to use derivatives to hedge the cost of jet fuel. The risk man ...

Consider the average home mortgage in new zealand of 283

'"Consider the average home mortgage in New Zealand of $283 000 where the standard deviation of the mortgages is $50 000 and home mortgages are normally distributed. If a home is known to be more than $250 000, what is t ...

Last year a technology company bought one million in shares

Last year a technology company bought one million in shares of a GM stock at €40 per share and sold it one year later at €50. The spot exchange rate one year ago was $1.40 = €1 and the spot rate prevailing at the end of ...

Xyz corporations budgeted monthly sales are 10000 and they

XYZ Corporation's budgeted monthly sales are $10,000, and they are constant. Its customers pay as follows: 30% pay in the first month and take the 2% discount, while the remaining 70% pay in the month following the sale ...

In a certain city a school administrator hypothesized that

In a certain city, a school administrator hypothesized that students enroll in school within 5 km from their homes. To check this claim you asked 30 student from the said city and you found that the mean distance between ...

One sample has n 8 and ss 21 and a second sample has n 8

One sample has n = 8 and SS = 21 and a second sample has n = 8 and SS = 35. What is the pooled variance for the two samples?

Given the following values 20 m 16 07 conduct a

Given the following values: = 20, M = 16, = 0.7, conduct a one-sample z test at a .05 level of significance. What is the decision for a two-tailed test? A) to reject the null hypothesis B) to retain the null hypothesis C ...

4,153,160 Questions Asked
13,132 Experts
2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Recent Questions

Ask Statistics and Probability Expert