Question Help v Determine the expected count for each outcome. n= 676 i 1 3 4 P 0.15 0.38 0.21 0.26 The expected count for outcome 1 is. (Round to two decimal places as needed.)

Use the random numbers. Thank you.

R1

Need help finding test statistic and p-value. See the photo for problem.

← The results of a survey on the belief that stem cell research has merit are shown in the table below. % X 1524 SEP 28 95% CI (0.7052, 0.7434) Here, X denotes the number who believed that stem cell research has merit. Complete parts a and b below. N 2104 a. Explain how to interpret "Sample p" and "95% CI" in this table. The "Sample p" is the proportion of all respondents in the sample who believe stem cell research has merit, 1524/2104 0.72. The "95% CI" is the 95% confidence interval and it means that we can be 95% confident that the interval 0.7052 to 0.7434 contains the population proportion. (Round to four decimal places as needed.) b. What is the 95% margin of error associated with the poll? The 95% margin of error is. (Round to four decimal places as needed.) F5 6 Sample p 0.724335 tv F6 Clear all & F7 Check answer Ndi 8 DIL 9 elp students like you learn core concep for 10 level of significance and two (0-65) (0-35) 1000 Chegg Study F9 A O

Do people walk faster in the airport when they are departing (getting on a plane) or do they walk faster when they are arriving (getting off a plane)? A reputable researcher measured the walking speed of random travelers in two International Airports. His findings are summarized in the table. Complete parts (a)-(c) below. E Click the icon to view the findings. a muIVIQudiS WdIK ai OlmereIL speeus uepenungUII WITEUTE Uiey die oeparng of diTIViny di tTE u – V. I1ever of sigiIcance? Le y tepieseni me fmeal| speed of people departing and p, represent the mean speed of people arriving. State the null and alternative hypothesis. A. Ho H1=H2 OB. Ho P1 - 2 H1 H1 > H2 Determine the P-value for this hypothesis test. P-value (Round to three decimal places as needed.) Enter your answer in the answer box and then click Check Answer. es