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A distribution of values is normal with a mean of 227.1 and a standard deviation of 87.9.
Find the probability that a randomly selected value is less than 112.8.
P(X < 112.8) =
Suppose that an n x n matrix A has eigenvalues ?1, .......... ,?n and eigenvectors V1, ... , Vn.
a researcher comuted the f ratio for a four-group experiement. the computed f is 4.86. the degrees of freedom are 3 for
the breaking strength of a rivet has a mean value of 9900 psi and a standard deviation of 498 psi.a what is the
Why isn't face validity sufficient to establish the validity of a measure?- What is a reactive measure?- Distinguish between nominal, ordinal, interval, and ratio scales.
given the returns and probabilities for the three possible states listed here calculate the covariance between the
Other countries own assets in the domestic economy worth 8% of GDP and these assets earn a return of 11%. What is the difference
Assume that 20% of students at a university wear contact lenses. We randomly pick 200 students. Would it be unusual to obtain a sample proportion of 22%? Answer by calculating the appropriate z-score. Round to two decimal places when necessary.
students take at least 2 courses out of arts history and science. 60 take arts80 take history70 take science. how many
Taking α to be 0.05, what is/are the critical values associated with testing your hypothesis?
Suppose Pepsi wanted to test to determine if the males preferred Pepsi more than the females. Using the test statistic given, compute the appropriate p-value fo
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.
case study are the fish safe to eat?assessing which factors affect mercury levels in fish in maine lakes.mercury is a
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