Mathematics, 17.12.2020 03:40 pilararcos

In a certain region, 94 percent of the people have a certain characteristic in their blood. Suppose a group of 45 people from the region are selected at random. Let the random variable B represent the number of people in the sample without the characteristic. Random variable B follows a binomial distribution with a mean of 2.7 people. Which of the following is the best interpretation of the mean? A) For all groups of 45 people, the average number of people without the characteristic is 2.7.

B) Every group of 45 people will have 2.7 people with the characteristic.

C) Every group of 45 people will have 2.7 people without the characteristic

D) On average, 2.7 people are selected until finding someone with the characteristic.

E) On average, 2.7 people are selected until finding someone without the characteristic.

Answers: 2

Show answers

Other questions on the subject: Mathematics

Mathematics, 21.06.2019 18:40, rivera8

Juliana says that she can use the patterns of equivalent ratios in the multiplication table below to write an infinite number of ratios that are equivalent to 6: 10. which statement explains whether juliana is correct? she is correct because she can multiply 6 and 10 by any number to form an equivalent ratio. she is correct because 6: 10 can be written as 1: 2 and there are an infinite number of ratios for 1: 2. she is not correct because the multiplication table does not include multiples of 10. she is not correct because 6: 10 is equivalent to 3: 5 and there are only 9 ratios in the multiplication table that are equivalent to 3: 5.

Answers: 1

continue

Mathematics, 21.06.2019 21:00, 420420blazee

The ph level of a blueberry is 3.1 what is the hydrogen-ion concentration [h+] for the blueberry

Answers: 2

continue

Mathematics, 21.06.2019 23:30, xxaurorabluexx

Pleting the square f the given find the x-intercepts of the parabola with vertex (-5,13) and y-intercept (0, 12). write your answer in this form: (14,.99). if necessary, round to the nearest hundredth. *- h enter the correct answer, de verter, and ametry 00000 done doo

Answers: 2

continue

Mathematics, 22.06.2019 01:30, roxygirl8914

Identify all the cases where non-probability sampling is used when attempting to study the characteristics of a large city. studies on every subject in the population divide a population in groups and obtain a sample studies with a limited amount of time demonstrate existing traits in a population studies with the nth person selected

Answers: 2

continue

You know the right answer?

In a certain region, 94 percent of the people have a certain characteristic in their blood. Suppose...