**Study Overview:**In a study of 624 randomly selected medical malpractice lawsuits, it was found that 485 of them were dropped or dismissed. The study aims to test the claim that most medical malpractice lawsuits are dropped or dismissed.**Hypothesis Testing:**- **Significance Level:** 0.01**Problem:**- What is the P-value?**Calculation:**- P-value = [Input Required]- (Round to three decimal places as needed.)

Assume that p is the true proportion of medical malpractice lawsuits, who are dropped or dismissed.

Answered: In a study of 824 randomly selected…

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

Section: Chapter Questions

Problem 1P

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What is the p-value?
6
A random sample of 1067 teenagers (ages 12 to 17) were asked whether they played games online; 787 said that they did. What is the size of the sample? I What is the value (±0.001) of the statistic p? .
Groups of men from three different areas of the country are to be tested for mean weight. The entries in the table are the weights for the different groups. The one-way ANOVA results are shown in the following table. Group 1 Group 2 Group 3 216 202 170 198 213 165 240 284 182 187 228 197 176 210 202 What is the df for the denominator? (Enter an exact number as an integer, fraction, or decimal.) What is the Mean Square Factor? (Round your answer to one decimal place.)
According to a recent report, 46% of college student internships are unpaid. A recent survey of 80 college interns at a local university found that 51 had unpaid internships. b. Assume that the study found that 42 of the 80 college interns had unpaid internships and repeat (a). What is the test statistic? ZSTAT= (Round to two decimal places as needed.) What is the p-value? The p-value is (Round to three decimal places as needed.) What is the final conclusion?
A) What standard normal z-score is associated with the bottom (or lowest) 2%? The probability is 0.02 that a standardized normal variable takes a value below what particular value of z? B) What standard normal z-score is associated with the upper 99%? The probability is 0.99 that a standardized normal variable takes a value above what particular value of Z? C) What standard normal z-scores contain the middle 90%? The probability is 0.90 that a normal variable takes a value within how many standard deviations of its mean?
You want to compare differences in prior arrests across ethnicity in your study, you measured ethnicity as white =0 black =1 hispanic=2, and other =3. Prior arrests was recorded as the number of prior arrests. which test would you perform to see if arrests differ across diffrent ethnic categories? A. ANOVA B. T-test
claim: Most adults would not erase all of their personal information online if they could. A software firm survey of 585 randomly selected adults showed that 49.3% of them would erase all of their personal information online if they could. Make a subjective estimate to decide whether the results are significantly low or significantly high, then state a conclusion about the original claim.
In a study of the effect of college student employment on academic performance, the following summary statistics for GPA were reported for a sample of students who worked and for a sample of students who did not work. The samples were selected at random from working and nonworking students at a university. (Use a statistical computer package to calculate the P-value. Use ?employed − ?not employed. Round your test statistic to two decimal places, your df down to the nearest whole number, and your P-value to three decimal places.) SampleSize MeanGPA StandardDeviation Students WhoAre Employed 174 3.12 0.475 Students WhoAre Not Employed 118 3.23 0.514 t = df = P = Does this information support the hypothesis that for students at this university, those who are not employed have a higher mean GPA than those who are employed? Use a significance level of 0.05. Yes or no
A survey of 2314 adults in a certain large country aged 18 and older conducted by a reputable polling organization found that 428have donated blood in the past two years. (a) Obtain a point estimate for the population proportion of adults in the country aged 18 and older who have donated blood in the past two years. p=____? (Round to three decimal places as needed.)

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