#102: 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. (Bold #'s are randomized.) %3D a. What is the probability distribution for X? b. Using the formulas, calculate the mean and standard deviation of X. Round to two decimals. Mean = What calculation did you do to get that answer? Standard Deviation = What calculation did you do to get that answer? Parts c, d, e Format for the 3 blanks in parentheses ( _ ) is (n, p, x-value). If you have a TI- 83 or TI-84, Moodle's format should be identical to the order you type the values into your calculator. MacBook Air 000 000 DD F7 F4 F5 F8 70 || Parts c, d, e Format for the 3 blanks in parentheses (,__) is (n, p, x-value). If you have a TI- 83 or TI-84, Moodle's format should be identical to the order you type the values into your calculator. c. Use your calculator to find the probability that 15 people.in the sample have access to electricity. Round to five decimals. d. Find the probability that at most ten people in the sample have access to electricity. Round to five decimals. e. Find the probability that more than 25 people in the sample have access to electricity. Round to five decimals. Check Finish attempt .. Lemewe MacBook Air 000 000 DD F4 F5 F7 F8

Advanced Engineering Mathematics

10th Edition

ISBN:9780470458365

Author:Erwin Kreyszig

Publisher:Erwin Kreyszig

Chapter2: Second-order Linear Odes

Section: Chapter Questions

Problem 1RQ

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Question

#102: 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. (Bold #'s are randomized.)
%3D
a. What is the probability distribution for X?
b. Using the formulas, calculate the mean and standard deviation of X. Round to two
decimals.
Mean =
What calculation did you do to get that answer?
Standard Deviation =
What calculation did you do to get that answer?
Parts c, d, e
Format for the 3 blanks in parentheses ( _
) is (n, p, x-value). If you have a TI-
83 or TI-84, Moodle's format should be identical to the order you type the values into
your calculator.
MacBook Air
000
000
DD
F7
F4
F5
F8
70

||
Parts c, d, e
Format for the 3 blanks in parentheses (,__) is (n, p, x-value). If you have a TI-
83 or TI-84, Moodle's format should be identical to the order you type the values into
your calculator.
c. Use your calculator to find the probability that 15 people.in the sample have access to
electricity. Round to five decimals.
d. Find the probability that at most ten people in the sample have access to
electricity. Round to five decimals.
e. Find the probability that more than 25 people in the sample have access to
electricity. Round to five decimals.
Check
Finish attempt ..
Lemewe
MacBook Air
000
000
DD
F4
F5
F7
F8

Expert Solution

Step 1

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Two types of random variables are there. One is the discrete type, and the other is a continuous type. A discrete type random variable considers only the integer values. But the continuous random variable considers all values over a certain interval. Each type of random variable has a mean, variance, and standard deviation. The mean of a discrete type variable includes summation. But, for continuous distribution, it is determined through integration.