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Count the number of 7 card hands from a 52 card deck with four cards of one kind and three cards of three different kinds.
The iq test score are normally distributed with a mean of 100 and a standard deviation of 15. Determine the probability that the person would score 130 or more on the test?
a warehouse employs 21 workers on first shift and 18 workers on second shift. eight workers are chosen at random to be
For planning purposes, the hospital physician staff would like to know the probability that a given patient is a smoker if the patient has serious illness.
How many ways are there to select a subcommittee of 7 members from among a committee of 21 and how many possible passwords are there if 7 of the letters of the alphabet can be used by the system?
A marketing research firm wishes to estimate the proportion of adults who are planning to buy a new car in the next 6 months. A simple random sample of 100 adults led to 22 who were planning to buy a new car in the next 6 months.
Suppose that p = P(female birth) = 0.5. A couple wishes to have exactly one female child in their family. They will have children until they have a girl, then they will stop having children. What is the probability that the family has three childre..
a sample of 40 los angeles pharmacies sells the tamiflu 75mg prescription drug for about 137 for a moth supply s 30.2
a batch of 20 used automobile alternators contains 4 defectives. if 3 alternators are sampled at random find the
Identify 5 variables of interest to healthcare managers. Select and define one variable and include your rationale for selecting this variable. What is the difference between a dependent and independent variable?
A federal bank examiner is interest in estimating the mean outstanding defaulted loans balance of all defaulted loans over the last three years. Calculate a 90% confidence interval for the mean balance of defaulted loans over the past three years.
a resercher wishes to estimate with 90 confidence the proportion of adults who have high-speed internet access. her
a random digit dialing telephone survey of 880 drivers asked recalling the last ten traffic lights you drove through
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