Mathematics
Mathematics, 12.12.2019 06:31, spookymod4845

Arandom sample of 50 suspension helmets used by motorcycle riders and automobile race-car drivers was subjected to an impact test, and some damage was observed on 18 of these helmets.

a) what is the point estimate of the he true proportion of helmets that would show damage from this test
b) find a 95% two-sided confidence interval on the true proportion of helmets that would show damage from this test.
c) using the point estimate of p from the 50 helmets, how many helmets must be tested to be 95% confident that the error in estimating p is less than 0.02?

answer
Answers: 3

Other questions on the subject: Mathematics

image
Mathematics, 21.06.2019 15:30, SmokeyRN
Find the perimeter of the figure shown above. a. 50 cm c. 30 cm b. 64 cm d. 60 cm select the best answer from the choices provided a b c d
Answers: 1
image
Mathematics, 21.06.2019 16:30, xxaurorabluexx
If g(x) is an odd function, which function must be an even function?
Answers: 3
image
Mathematics, 21.06.2019 17:50, liluv8262
Graph y ≥ -x^2 - 1. click on the graph until the correct graph appears.
Answers: 1
image
Mathematics, 21.06.2019 20:00, yesseniaroman21
Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?
Answers: 1
Do you know the correct answer?
Arandom sample of 50 suspension helmets used by motorcycle riders and automobile race-car drivers wa...

Questions in other subjects: