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A doctor gives a patient a 90% chance of surviving a heart attack. If the patient survives the surgery, than the patient has a 50% chance that the heart damage will heal. Find the probability that the patient survives the surgery and the heart damage heals.
the height of the water level in mineral water bottles has a mean of 140 mm and a standard deviation of 4 mm. assume
Describe the unique fundamentals of a qualtitative research study, addressing the following:
consider the following. give your answers correct to two decimal places.a find the standard score z such that the area
Construct a 90% confidence interval for the mean percentage of hotel reservations being cancelled on the day of the booked stay that falls between 1.1%-3.4%.
Four bald members of the same family are treated; let X be the number of successfully treated members of the family. Is X a binomial random variable? Explain.
which of the following sampling procedures represents non-probability sampling?a. the researcher obtains a sample of
michael sullivan son of the author decided to enroll in a reading course that allegedly increases reading speed and
Find approximate 95% confidence intervals for the proportion and the percentage of adult Americans who would say they favor this experimentation.
a company is studying the number of monthly absences among its 125 employees. the following probability distribution
What is the expected number who pass the test? (Round your answer to the nearest whole number.)
A statistically significant result occurs when the value of the test statistic falls in the rejection region. A result has practical significance when it is statistically significant
Assume this is an average from a population with standard deviation of $1.5. If a random sample of 30 months is selected, what is the probability that its average will exceed $4.00?
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