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1. Let X be the number of times that no heads appear on two coins when these two coins are tossed together n times. Find the smallest value of n so that Pr (0.24 <>X / n <>0.26) 0.954, approximately.
2. Two persons have 16 and 32 dollars, respectively. They bet one dollar on each of 900 independent tosses of an un biased coin. What is an approximation to the probability that neither person is in debt at the end of the 900 trials?
Find the value of x. (Give your answers correct to one decimal place.) Find the value of x that corresponds to each of these standard scores z = -1.26.
What is meant by the probability of an event? Discuss how addition and multiplication techniques are used to solve probability problems.
suppose that two 4-sided dice are rolled that is each die has faces with numbers 1 2 3 amp 4. what is the probability
a bar owner was observing how many drinks his clients had on a saturday night. a sample of 24 customers randomly
A start-up publishing company estimates that the fixed costs of its first major project will be $190,000, the variable cost will be $18, and the selling price per book will be $34.
europeans are increasingly upset at their leaders for making deep budget cuts to many social programs that are becoming
You plan to conduct a survey to find what proportion of the workforce has two or more jobs. You decide on the 95 percent confidence level and state that the estimated proportion must be within 2 percent of the population proportion.
Parents collected a simple random sample of the times that 81 college students required to earn their bachelor's degrees. The sample has a mean of 4.8 years and a standard deviation of 2.2 years. Use a 0.05 significance level to test the claim tha..
1.i use computer software to do the following. i generate ten random numbers from a n500 100 distribution. from these
consider the function fxx3-2x4 on the interval -22 with h0.25. use the forward backward and centered finite difference
A professor needs to select a volunteer for a project .which of the following would not be an example of a simple random sample ?A)he chooses a number between 00 and 99.
A random sample of 100 pumpkins is obtained and the mean circumference is found to be 40.5 cm. Assuming that the population standard deviation is known to be 1.6 cm, use a 0.05 significance level to test the claim that the mean circumference of all p..
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