Mathematics, 25.06.2021 01:50 ajbyrd911
According to government documents in 2002, the percentage of individuals who admitted to consistently going more than 10 miles per hour on the interstate was 36%. A survey conducted in 2019, showed that out of 963 participants surveyed, 315 of them admitted to consistently going more than 10 miles over the speed limit. Is there sufficient evidence at that the percentage of individuals speeding more than 10 miles per hour over the speed limit has decreased since 2002?
a) What are the null and alternative hypotheses?
b) What is the value of the test statistic?
c) What is the critical value?
d) What is the decision?
e) What is the conclusion?
Answers: 3
Mathematics, 21.06.2019 18:00
Manny bought 12 pounds of vegetables at the supermarket. 75% of the vegetables were on sale. how many pounds of vegetables were not on sale? 98 points : )
Answers: 2
Mathematics, 21.06.2019 19:20
Based on the diagram, match the trigonometric ratios with the corresponding ratios of the sides of the triangle. tiles : cosb sinb tanb sincposs matches: c/b b/a b/c c/a
Answers: 2
Mathematics, 21.06.2019 19:30
Finally, the arena decides to offer advertising space on the jerseys of the arena’s own amateur volley ball team. the arena wants the probability of being shortlisted to be 0.14. what is this as a percentage and a fraction? what is the probability of not being shortlisted? give your answer as a decimal. those shortlisted are entered into a final game of chance. there are six balls in a bag (2 blue balls, 2 green balls and 2 golden balls). to win, a company needs to take out two golden balls. the first ball is not replaced. what is the probability of any company winning advertising space on their volley ball team jerseys?
Answers: 3
According to government documents in 2002, the percentage of individuals who admitted to consistentl...
Mathematics, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Biology, 19.10.2021 14:00
English, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Health, 19.10.2021 14:00
Mathematics, 19.10.2021 14:00
Biology, 19.10.2021 14:00
Geography, 19.10.2021 14:00