subject
Mathematics, 17.09.2021 14:00 kamkam5791

5 Marks According to the World Bank, only 9% of the population of Uganda had access to electricity as of 2009. Suppose we randomly sample 160 people in Uganda. Let X= the number of people who have access to electricity. a) What is the probability distribution for X? b) Using the formulas, calculate the mean and standard deviation of X. c) Find the probability that 17 people in the sample have access to electricity. Show working or give the excel formula with the parameters. d) Find the probability that at most ten people in the sample have access to electricity. Show working or give the excel formula with the parameters. e) Find the probability that more than 35 in the sample have access to electricity. Show working or give the excel formula with the parameters.​

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 21:50
What is the product? a-3/15a Γ— 5/a-3
Answers: 1
question
Mathematics, 21.06.2019 23:00
Divide. –40 Γ· –5 a –8 b 200 c -200 d 8
Answers: 1
question
Mathematics, 22.06.2019 00:20
Prove the converse of the pythagorean theorem using similar triangles. the converse of the pythagorean theorem states that when the sum of the squares of the lengths of the legs of the triangle equals the squares length of the hypotenuse, the triangle is a right triangle. be sure to create and name the appropriate geometric figures.
Answers: 3
question
Mathematics, 22.06.2019 01:50
Thomas is using a drawing program to complete a construction. which construction could he be completing? two perpendicular lines are drawn. inscribing an equilateral triangle in a circle inscribing a square in a circle inscribing a regular pentagon in a circle inscribing a regular hexagon in a circle
Answers: 1
You know the right answer?
5 Marks According to the World Bank, only 9% of the population of Uganda had access to electricity a...
Questions
question
Biology, 12.02.2021 09:40
question
History, 12.02.2021 09:40
question
Mathematics, 12.02.2021 09:40
question
English, 12.02.2021 09:40
Questions on the website: 13722367