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The associated press reported that 71% of americans ages 25 and older are overweight. assume this is true. a random sample of 12 adults 25 or older is selected from general population. what is the probability that you have less than 15%snickers in your bag?
In an experiment on a new drug to determine the most effective dosage and method of administration, subjects were randomly assigned to either 5, 10, 15, or 20 mg of the active drug.
Discuss what is meant by mean, median, mode, variance, and standard deviation for a set of scores. Also mention under what circumstance you would use each of these.
Give an ending for the below statement.Last week Tom had exams in Statistics and in English. He scored 10 points above the mean on both exams. From this information, you can conclude.
A group of students collected data at the Cedar Point amusement park and reported that the "wait time" to ride the "Top Thrill Dragster" roller coaster is consistently distributed within a range of 40 minutes to 90 minutes.
Ffor ten randomly selected employees of a company is = 117 - 1.02x. Predict the job performance rating for an employee whose attitude rating is 55.
Make any necessary corrections to your work based on facilitator's feedback and write: A paragraph describing the dependent variables of interest and children's anxiety as measured by the RCMAS.
Pearson correlation coefficient was 0.61.a. Was the correlation coefficient significantlydifferent from zero? Use α = 0.05.b. Predict the torque for a current equal to 50 mA.
What does the intercept mean in this context? What is the estimated percent decline in visual field per year?
A small New England college has a total of 400 students.The Math SAT is required for admission, and the mean score of all 400 students is 620. The population standard deviation is found to be 60. The formula for a 95% confidence interval yields th..
Determine out the regression equation. Determine the estimated sales if 40 contacts are made.
Compute the value of z and state your decision regarding the null hypothesis.
Does this sample give sufficient evidence to conclude that self-esteem scores for group-participation adolescents are significantly different from those of general population? Use two-tailed test with α = .01.
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