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A basketball player with a poor foul-shot record practices intensively during the off season. He tells the coach that he has raised his proficiency from 55% to 70%. Dubious, the coach asks him to take 10 shots, and is surprised when the player hits 9 out of 10. Use technology to find the probability that a 55% shooter could hit at least 9 of 10 shots. (I have a ti-84 Silver Edition)
A regression of attitude toward legalizing marijuana on age (X1) and education (X2) produced the following estimated coefficients and standard errors for a sample of 265 persons.
This distribution is positively skewed. The standard deviation of the population is not known.
in a manufacturing process a random sample of 36 bolts manufactured has a mean length of 1.71 inches with a standard
a set of sample scores from an experiment has an n 30 and an xobt 19.a. can we reject the null hypothesis that the
A weight-loss clinic advertised that last month its patients
Michelle is a counselor at the local crisis center. She wishes to determine if there is a relationship between the gender of an individual and the amount of alcohol consumed.
Standard deviation 13. in a random sample of 32 womrn aged 18-24, find the probability that the average systolic blood pressure is between 110 and 120 mm hg.
Deductible with a $580 premium. (A $Y deductible means the insurance company pays X - Y for X >= Y and X for X
Choose a research article from your field.Write the five hypotheses that this study is testing.Write both the null and alternative hypotheses for each one.
jason has several shirts pants and shoes that he can mix and match to create 48 different uniform combinations. what
The winning team's score in 13 high school basketball games was recorded. If the sample mean is 54.3 points and the sample standard deviation is 11.0 points, find the 98% confidence interval of the true mean.
Jack is doing a project in educational psychology. Before the experiment, he rank-orderes all his participants according to achievement test scores.
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