subject
Mathematics, 27.04.2021 15:30 josh5527

In a recent survey of 150 teenagers, 93 stated that they always wear their seat belt when they travel in a car. Assuming the distribution is approximately normal, find the point estimate and standard error for the proportion of teenagers that always wear a seat belt when traveling in a car. Round your answers to two decimal places, as needed.

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 14:20
Twenty-five percent of the customers entering a grocery store between 5 p.m. and 7 p.m. use an express checkout. consider five randomly selected customers, and let x denote the number among the five who use the express checkout.
Answers: 1
question
Mathematics, 21.06.2019 20:20
Which of the following values are in the range of the function graphed below? check all that apply ! - will give the answer "brainliest! "
Answers: 1
question
Mathematics, 21.06.2019 21:30
Using pert, adam munson was able to determine that the expected project completion time for the construction of a pleasure yacht is 21 months, and the project variance is 4. a) what is the probability that the project will be completed in 17 months? b) what is the probability that the project will be completed in 20 months? c) what is the probability that the project will be completed in 23 months? d) what is the probability that the project will be completed in 25 months? e) what is the due date that yields a 95% chance of completion?
Answers: 3
question
Mathematics, 22.06.2019 01:00
Evan walked 5/8 mile to his friends house.then together they walked 7/12 mile to the movie theatre.which pair of fraction can evan use to find how far he walked in all?
Answers: 3
You know the right answer?
In a recent survey of 150 teenagers, 93 stated that they always wear their seat belt when they trave...
Questions
question
Social Studies, 26.09.2019 01:20