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A student has just been given a 10-question multiple choice quiz in his history class. Each question has five choices of which only one of those choices is correct. Since he has not attended class recently, he doesn't know any of the answers. Assuming that he guesses on all 10 questions, find the following:
a) What is the probability that he will answer all ten questions incorrectly?b) What is the probability that he will answer at least one of the questions incorrectly?c) What is the probability that the first question answered correctly is the second question he answers?
Find the probability that fewer than 5 are satisfied with the airlines. (c)Find the probability that 8 or more are satisfied with the airlines.
Determining the probability that the two choose the same number?
what is the probability that the sample mean of IQ scores will not differ from the population mean by more than 2 points? (Round your answer to four decimal places.)
Set up the null and alternative hypotheses for Coca-Cola. In terms of Coke's decision to introduce the new bottle or not, what is a Type I error?
The standard deviation, over a long period of time, was computed to be 0.150 mm. What percent of the ball bearings on this line will have diameters of 20.27 mm or more?
What information does each measure of central tendency provide? Why are measures of variability essential statistical tools for describing behavior?
Claculate the exponential also adjusted exponential smoothing forecast and linear trend forecasting. The hotel has experienced the following occupancy rates for the past 9 years.
Please provide an answer to the questions below that contains 250 to 300 words to each. How does the knowledge of simplifying an expression help you to solve an equation efficiently? Give an example of using and not using simplification to illustra..
The frequency distribution below shows the distribution for suspended solid concentration (in PPM) in river water of 50 different waters collected in September 2011.
Standard deviation of 5. suppose 100 golfers played the course today. Find the probability that the average score of the 100 golfers exceeded 74.
What is the relationship between descriptive statistics and Affirmative Action ? Can using probability in market trending decisions lead to a bad decision? Explain?
A textile manufacturer estimates that it produces bolts of cloth with flaws following a Poisson distribution that has an average of one flaw per 200 feet of cloth.
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