**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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E Tnfanticide an ove... In a certain school district, it was observed that 25% of the students in the element schools were classified as only children (no siblings). However, in the special program for talented and gifted children, 107 out of 336 students are only children. The school district administrators want to know if the proportion of only children in the special program is significantly different from the proportion for the school district. Test at the a 0.02 level of significance. What is the hypothesized population proportion for this test? (Report answer as a decimal accurate to 2 decimal places. Do not report using the percent symbol.) Based on the statement of this problem, how many tails would this hypothesis test have? O one-tailed test O two-tailed test Choose the correct pair of hypotheses for this situation: (A) (B) (C) Ho:p = 0.25 H:p 0.25 0.25 (D) (E) (F) 0.318 Ho:p Ha:p < 0.318 H:p# 0.318 Ha:p Ho:P 0.318 Ho:p 0.318 0.318 (A) (B) (C) (D) (E) (F) Using the normal…
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Your teacher claims to produce random numbers from 1 to 5 (inclusive) on her calculator, but you’ve been keeping track. In the past 80 rolls, the number “five” has come up only 8 times. You suspect that the calculator is producing fewer fives than it should. Let p = actual long-run proportion of five’s produced by the calculator. The hypotheses for testing the teacher’s claim are:
In a study of religious practices among college students, a random sample of 127 students were interviewed; 107 of the students said that they pray at least once in a while. What is the numerical value of the statistic p̂ that estimates p? 1.187 0.107 0.127 0.843
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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.)
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The 2006 Statistical Abstract of the United States reports on a survey that asked a national sample of 80,000 American households about pet ownership. Suppose (for now) that one-third of all American households own a pet cat. Still supposing that one-third of all American households own a pet cat, between what two values do you expect 95% of all sample proportions to fall?
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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
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