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The number of power surges at a nuclear plant follows a Poisson distribution with an average of .5 power surgers per day.
a) What is the probability that on a given day
1) there will be zero power surges?
2) there will be at least one power surge?
3) there will be between 3 and 5 power surges (inclusive)?
What happens to the boundaries for the critical regions?
Suppose that the probability that the student knows the answer to the question is 0.80 and the probability that the student guesses is 0.20. What is the probability that the fixed question is answered correctly?
q1. determine the appropriate approach to conduct a hypothesis test for this claim fewer than 5 of patients experience
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prizes and the chances of winning in a sweepstakes are given in the table below.prizechances250000001 chance in
Suppose the population standard deviation is unknown. If 71% of all sample means are greater than 49 hours and the population mean is still 50.4 hours, what is the value of the population standard deviation?
if a production manager wanted to determine whether or not the first shift was processing more widgets than the second
asurvey of magazine subscribers showed that 45.8 rented a car during the past 12 months for business reasons 54 rented
how does the anova technique avoid the problem of the inflated probability of making type i error that would arise
What is the test value? find the critical value. state what the alternative hypothesis would be H1: customer shows no preference for a specific dessert.
Findout the value of X using normal distribution which gives standard deviation also mean. A math teacher gives two different tests to measure students' aptitude for math.
In a Gallup poll of 1,038 adults, 540 said that second-hand smoke is very harmful. What is the percentage of adults who said second-hand smoke is very harmful.
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