- Researchers Watched Dolphin Groups Off The Coast Of Ireland In 1998 To Determine What Activities The Dolphin Groups Part 1 (42.22 KiB) Viewed 42 times
- Researchers Watched Dolphin Groups Off The Coast Of Ireland In 1998 To Determine What Activities The Dolphin Groups Part 2 (42.22 KiB) Viewed 42 times
- Researchers Watched Dolphin Groups Off The Coast Of Ireland In 1998 To Determine What Activities The Dolphin Groups Part 3 (19.82 KiB) Viewed 42 times
- Researchers Watched Dolphin Groups Off The Coast Of Ireland In 1998 To Determine What Activities The Dolphin Groups Part 4 (71.66 KiB) Viewed 42 times
- Researchers Watched Dolphin Groups Off The Coast Of Ireland In 1998 To Determine What Activities The Dolphin Groups Part 5 (36.63 KiB) Viewed 42 times
- Researchers Watched Dolphin Groups Off The Coast Of Ireland In 1998 To Determine What Activities The Dolphin Groups Part 6 (47.12 KiB) Viewed 42 times
Researchers watched dolphin groups off the coast of Ireland in 1998 to determine what activities the dolphin groups partake in at certain times of the day. The numbers in table below represent the number of dolphin groups that were partaking in an activity at certain times of days. Activity Morning Travel Feed Social Total 6 28 38 72 Noon Afternoon 6 5 15 14 0 9 23 Evening 13 56 10 79 Total 39 88 62 189
b) What is the probability that a dolphin group is around in the afternoon? Round your final answer to 3 decimal places. 0.121
f) What is the probability that a dolphin group is around in the evening and is partaking in travel? Round your final answer to 3 decimal places. 0.070 g) What is the probability that a dolphin group is around in the evening or is partaking in travel? Round your final answer to 3 decimal places. 0.624 h) Are the events dolphin group around in the evening and dolphin group partaking in travel mutually exclusive events? Why or why not? Select an answer i) Are the events dolphin group around in the afternoon and dolphin group partaking in social activities independent events? Why or why not?
ix ✓ Select an answer Yes because P(around in the evening and partaking in travel) = 0 No because P(around in the evening and partaking in travel) = 0 Yes because P(around in the evening and partaking in travel) is not equal to 0 No because P(around in the evening and partaking in travel) is not equal to 0 Yes because P(around in the evening or partaking in travel) = 0. No because P(around in the evening or partaking in travel) = 0 S ✩ Yes because P(around in the evening I partaking in travel) = P(around in the evening) No because P(around in the evening | partaking in travel) is not equal to P(around in the evening) Yes because P(around in the evening | partaking in travel) = P(partaking in travel) No because P(around in the evening | partaking in travel) is not equal to P(partaking in travel) king
i) Are the events dolphin group around in the afternoon and dolphin group partaking in social activities independent events? Why or why not? ✓ Select an answer Yes because P(around in the afternoon and partaking in social activities) = 0 No because Plaround in the afternoon and partaking in social activities) = 0 Yes because P(around in the afternoon and partaking in social activities) is not equal to 0 No because P(around in the afternoon and partaking in social activities) is not equal to 0 Yes because P(around in the afternoon or partaking in social activities) = 0. No because P(around in the afternoon or partaking in social activities) = 0 Yes because Plaround in the afternoon | partaking in social activities) = P(around in the afternoon) No because Plaround in the afternoon | partaking in social activities) is not equal to P(around in the afternoon) Yes because P(around in the afternoon | partaking in social activities) = P(partaking in social activities) No because P(around in the afternoon | partaking in social activities) is not equal to P(partaking in social activities)