Value of the new score
A sample of n 8 scores has a mean of M 12. One new score is added to the sample and the new mean is found to be M 13. What is the value of the new score?
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If 60 percent of those people chewing the gum are successful in stopping smoking, what is the probability that in a group of four smokers using the gum at least one quits smoking?
Calculate the confidence interval for the proportion of respondents who stated they are former smokers.
We have a carton of 12 rechargeable batteries contains two that are defective. In how many ways can the inspector choose 3 of the batteries and get
A sample of n 4 scores has a mean of M 12. A second sample of n 6 scores has a mean of M 8. If the two samples are combined, what value will be obtained for the mean of the combined sample?
What is the probability of having the same number when rolling two dices? What is the probability of having at least 2 numbers the same when rolling three dices?
He randomly samples 18 BMW drivers and finds out that the average annual salary for this sample is $78 974, with a population standard deviation of $7810. Use α = .01 to test the researcher's theory. Assume annual salaries are normally distr
Suppose a researcher believes that the average annual earnings of a BMW driver are lower now, and he sets up a study in an attempt to prove his theory.
If a group of 4 were randomly selected from a group of 6 people (3 female;3 males) what is the probability the selected group will consist of 1 male and 3 females?
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A 2016 survey of undergraduate students considered this further and found that compared with students that did not use cannabis at least once
Problem: An infant with known congenital heart disease presents with weight loss, tachypnea, and hepatomegaly.
For a research topic on evaluating the access to health services for commercial sex workers as a mixed method approach provide the methodology
The healthcare provider ordered a urine culture for a client. Which item would a nurse need for a urine specimen collection from an existing indwelling
The nurse practitioner (NP) evaluates a client with complaints of a burning sensation in the chest that often occurs after meals and is exacerbated
I am writing a dissertation topic on the utility of community based interventions in post exposure support to survivors of IPV in uMzingwane district
A 12-month-old child presents with fever of 100.9, lethargy, vomiting and tachypnea. The history is significant for recent hand-foot-mouth disease infection.