(a) 10 df, between -2.23 and 2.23 % (b) 10 df, between -3.17 and 3.17 % (c) 24 df, between -3.47 and 3.47 %
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- You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats.You sample 110 men, and 75% own cats.You sample 150 women, and 65% own cats.Find the proportion of the pooled samples, (pcpc), as a decimal, rounded to two decimal places.Failure rate for (16) students who took a mathematics test, of whom (12) students passed?? which is (25% 40% (7% 75)).Quit smoking: A recent study reported that in a sample of 234 European-American HIV-positive smokers, 105 of them had used a nicotine patch to try to quit smoking, and in a sample of 81 Hispanic-American HIV-positive smokers, 25 had used a nicotine patch. Can you conclude that the proportion of patch users is greater among European-Americans? Let p₁ denote the proportion of European-Americans who used the patch. Use the a=0.01 level of significance. Part 1 of 4 (a) State the appropriate null and alternate hypotheses. Ho: P₁ (Choose one) ▼ P₂ H₁: P₁ (Choose one) P2 This is a (Choose one) test. Part 2 of 4 (b) Find the P-value. Round the answer to four decimal places. P-value= X S Ś
- You are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats. You sample 110 men, and 25% own cats. You sample 150 women, and 85% own cats. Find p (p-bar), as a decimal, rounded to two decimal places.Hotter hand Our basketball player in Exercise 41 hasnew sneakers, which he thinks improve his game. Overhis past 40 shots, he’s made 32—much better than the 55% he usually shoots. Do you think his chances of mak-ing a shot really increased? In other words, is making at least 32 of 40 shots really unusual for him? (Do youthink it’s his sneakers?)-The median is equal to -75% of the values are smaller than -The IQR is equal to
- You are testing the claim that the proportion of men who own cats is smaller than the proportion of women who own cats.You sample 110 men, and 90% own cats.You sample 90 women, and 20% own cats.Find the proportion of the pooled samples, (pcpc), as a decimal, rounded to two decimal places.Which z-score has the higher frequency? (a) z = +1.0 or z = +2.3; (b) z = −2.8 or z = −1.7; (c) z = −.70 or z = −.20; (d) z = 0.0 or z = −2.0.You are testing the claim that the proportion of men who own cats is larger than the proportion of women who own cats.You sample 90 men, and 50% own cats.You sample 130 women, and 15% own cats.Find ¯p (p-bar), as a decimal, rounded to two decimal places.