Mathematics, 10.03.2021 18:20 sistersaray
About 10% of people in the United States do not wear a seat belt. Suppose we take a random sample of 180 US residents, and let X = the number of people who do not wear their seat belt.
(a) Calculate the mean and standard deviation of the sampling distribution of X.
(b) Interpret the standard deviation.
(c) Justify that the distribution of X is approximately normal.
(d) Use the normal distribution to calculate the probability that 26 or more individuals in the sample do not wear their seat belt.
Answers: 1
Another question on Mathematics
Mathematics, 21.06.2019 18:50
Aresearch group wants to find the opinions’ of city residents on the construction of a new downtown parking garage. what is the population of the survey downtown shoppers downtown visitors downtown workers city residents
Answers: 3
Mathematics, 21.06.2019 19:00
What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)
Answers: 2
Mathematics, 21.06.2019 19:20
Brainliest ! which of the coordinates are not of th vertices of the feasible region for the system of inequalities y≤4,,x≤5,x+y> 6 a(2,4) b(0,6) c(5,4) d(5,1)
Answers: 2
You know the right answer?
About 10% of people in the United States do not wear a seat belt. Suppose we take a random sample of...
Questions
Mathematics, 27.10.2020 18:20
Biology, 27.10.2020 18:20
Mathematics, 27.10.2020 18:20
Mathematics, 27.10.2020 18:20
English, 27.10.2020 18:20
History, 27.10.2020 18:20
Geography, 27.10.2020 18:20
Mathematics, 27.10.2020 18:20
Biology, 27.10.2020 18:20
