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Let's assume that I, your instructor, have tired of teaching and I go into another career as an inventor. I have invented a machine to teach young kids how to shot basketball free throws. I am just about to receive my patent on my machine, but need to be sure that the machine is calibrated properly to make free throws. So I seek to test the calibration using the following hypotheses:
Ha: The machine is properly calibrated.
Ho: The machine is not properly calibrated.
Assuming the result of any one trial of my machine is to either make a free throw (50%) or miss a free throw (50%), how many free throws must my machine make in a row for me to be 99% confident that I am not making a Type 1 error?
a computer repair service found that a random sample of 45 repair costs had a mean cost of 659. assume that the
How about the standard deviation? Do you think we can make some more intelligent statements about the two instructors when we have the standard deviations?
The standard deviation was 2. At α = .10, is the number of years' experience of the taxi drivers really less than the taxi company claimed?
10 cartons are taken at random from an automatic filling machine.The mean net weight of the carton is11.8 kg and standard deviation of 0.15kg. Does the sample mean differ significantly from the intended weight of 12kgs?
the national safety council reported that 52 percent of american turnpike drivers are men. a sample of 300 cars
What is the probability that a respondent said neither the Big Ten nor the Pac-10 would have a team in the Rose Bowl?
michael sullivan son of the author decided to enroll in a reading course that allegedly increases reading speed and
Suppose that 20% of the population has high blood pressure. If 7 people are randomly selected off the street, what is the probability that more than 4 of them do not have high blood pressure?
A doctor suspected that smokers between 40 and 50 with lung disease had been smoking on average more than 20 years - significance level is there sufficient evidence to justify the doctors belief?
the utility company in a large metropolitan area finds that 70 of its customers pay a given monthly bill in full.a.
find conditional density function fxe for the experiment of a number selected at random from the interval 01 given e
about 30 of adults say that reading is a favorite leisure activity. let success be the outcome that reading is a
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