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Qusetion: 1. On average (μ), how many freshmen would you expect to have to ask until you found one who replies "yes?"
2. What is the probability that you will need to ask fewer than three freshmen?
Finding the probability value for the given data using normal approximation
What is the variable of interest?- Is this sample random? If so, justify your answer. If not, describe a technique to obtain a random sample.
What is the probability that the amount of drink will be between 199 and 201 ml?- If the amount of drink is more than 202 ml, when the bottle is opened there will be a spill. What is the probability of a spill?
A safety engineer is concerned that the four motors might not be powerful enough to properly operate the crane. Stating any additional assumptions you are using, does the engineer's concern appear to be justified?
Recurrence is defined as the reappearance of a metastasis in exactly the same site, or in the case of patients whose tumor never completely disappeared, enlargement of the original lesion. Times to recurrence (in weeks) for the 23 patients were: 2..
What is the probability of winning the lottery with only one ticket?- what is the most probable number of winning tickets?
Identify the independent and dependent variables in the given descriptions of experiments:- Students watched a cartoon either alone or with others and then rated how funny they found the cartoon to be.
Define what a hypothesis is and discuss the relationship between hypothesis testing and statistics. Discuss what independent and dependent variables are in an experiment, state the relationship between the two and give an example.
two children alan and belle each throw two fair cubical dice simultaneously. the score for each child is the sum of the
An automobile assembly line operation has a scheduled mean completion time, mean, of 14.7 minutes. The standard deviation of completion times is 1.2 minutes.
a player of a video game is confronted with a series of opponents and has an 83 probability of defeating each one.
sheilas doctor is concerned that she may suffer from gestational diabetes high blood glucose levels during pregnancy.
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