Mathematics, 09.04.2021 03:00 jfiicoh
In a study conducted by the US department of Health and Human Services, a sample of 546 boys aged 6-11 was weighed, and it was determined that 87 of them were overweighted. A sample of 508 girls aged 6-11 was also weighed, and 74 of them were overweighted. (a) Find a 90% confidence level for the difference of overweight proportion for aged 6 -11 between boys and girls. (b) Can you conclude that the proportion of overweight boys is higher than the proportion of girls who are overweight? i. State hypothesis. ii. Compute P-value. iii. What is your conclusion?
Answers: 1
Mathematics, 21.06.2019 21:30, jarviantemelton
Consider the following equation. 1/2x^3+x-7=-3sqrtx-1 approximate the solution to the equation using three iterations of successive approximation. use the graph below as a starting point. a. b. c. d.
Answers: 3
Mathematics, 21.06.2019 22:30, tdyson3p6xvtu
60 musicians applied for a job at a music school. 14 of the musicians play both guitar and drums, 28 play drums, 18 play the guitar. what is the probability that the applicant who gets the job plays drums or guitar?
Answers: 1
Mathematics, 22.06.2019 05:30, markcardenas2756
Which equation has a constant of proportionality equal to 9
Answers: 2
Mathematics, 22.06.2019 06:10, MCMarioandLuigi
The length of time for one individual to be erved at a cafeteria is a random variable having an ex- ponential distribution with a mean of 4 minutes. what is the probability that a person will be served in less than/3 minutes on at least 4 of the next 6 days?
Answers: 1
In a study conducted by the US department of Health and Human Services, a sample of 546 boys aged 6-...
Mathematics, 25.03.2021 22:00
Mathematics, 25.03.2021 22:00
Mathematics, 25.03.2021 22:00