Question

0 Statistic. 11.3.9-T 3 Question Help ses Home A ork (Required) Tomprou um ERIC pok nch 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. Walking Speed C. The samples are random, large and dependent. The samples are random, large and independent. Direction of Travel Departure Arrival (c) Do individuals walk at different speeds depending on whether they are depart Mean speed 254 people departing and H2 represent the mean speed of people arriving. (feet per minute) Standard deviation 49 34 State the null and alternative hypothesis. (feet per minute) Sample size 35 35 O A. Ho H1 H2 H:H1 H2 Print Done C. Ho: M1 = 12 HH #H2 HT12 271 Incorrect: 2 Determine the P-value for this hypothesis test. P-value = (Round to three decimal places as needed.) 1 vo (1,1) More Enter your answer in the answer box and then click Check Answer. ?

Answer 1

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Here while calculating p-value for z-score probability we refer standard normal distribution table.

Date Page page ① solwton' giren that, s = 48 Here Direction of travel Departure Arrival mean speed 2 =254 X =24 Standard deviation 52=34 2 = 35 h =35 Sample size Null and Atematiune hypothesis Hot 4 = 42 V Hird, = 42 Test statistici sample sizes=n, = n2=35 730 unders tho We we I- test statistic. under Ho, wherre LI h2 sp?= pooled vamance (-1) 5² + Ch2-1) 5₂2 hitha-2 (34) (49) ²+ (34) (3 4² 35+35-2 [ Sp" – 1778.5] ch 2 (254-271) -)-69 -17. 10.0811 (4778.5) (1ste) . [2=-1.69 p-value. P(z> +)69) 1- P(-).68 << < 1.69) 1- (PCz21069) - PC <-2.69)) + 2 - 2 P( ):69) ooogi 2- 2xo.9545 TP(1 21 7 1.69) value 010911