Mathematics, 10.04.2020 21:35 anglekhan101
It is estimated that 75% of all young adults between the ages of 18-35 do not have a landline in their homes and only use a cell phone at home.
(a) On average, how many young adults do not own a landline in a random sample of 100?
(b) What is the standard deviation of probability of young adults who do not own a landline in a simple random sample of 100?
(c) What is the proportion of young adults who do not own a landline?
(d) What is the probability that no one in a simple random sample of 100 young adults owns a landline?
(e) What is the probability that everyone in a simple random sample of 100 young adults owns a landline?
(f) What is the distribution of the number of young adults in a sample of 100 who do not own a landline?
(g) What is the probability that exactly half the young adults in a simple random sample of 100 do not own a landline?
(h) What is the probability that more than 20% of the young adults in a simple random sample of 100 do not own a landline?
Answers: 2
Mathematics, 21.06.2019 19:00
What are the solutions of the system? solve by graphing. y = -x^2 - 3x + 2 y = -2x + 2
Answers: 1
Mathematics, 21.06.2019 20:00
Can you me find the missing length. i attached an image.
Answers: 1
Mathematics, 21.06.2019 20:30
What is the difference between the equations of a vertical and a horizontal line?
Answers: 2
It is estimated that 75% of all young adults between the ages of 18-35 do not have a landline in the...
Mathematics, 21.11.2019 21:31
English, 21.11.2019 21:31
Computers and Technology, 21.11.2019 21:31
Chemistry, 21.11.2019 21:31
SAT, 21.11.2019 21:31
Chemistry, 21.11.2019 21:31
Mathematics, 21.11.2019 21:31