e. Find the probability that at most four students will attend. (Round to five decimals.) f. Find the probability that more than two students will attend. (Round to five decimals.)
e. Find the probability that at most four students will attend. (Round to five decimals.) f. Find the probability that more than two students will attend. (Round to five decimals.)
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
Related questions
Question
Answer e and f please! Show work
Transcribed Image Text:会
#388: A school newspaper reporter decides to randomly survey 13 students to see if they
will attend Tet (Vietnamese New Year) festivities this year. Based on past years, she
knows that 19% of students attend Tet festivities. We are interested in the number of
students who will attend the festivities. (Bold #'s are randomized.)
a. In words, define the Random Variable X.
Number of students who attend Tet
b. List the values that X may take on.
(List every single value in order; Separate the answers with commas. NO SPACES.)
1,2,3,4,5,6,7,8,9,10,11,12,13
c. Give the distribution of X: X ~ B
( 13
0.19
d. How many of the 13 students do we expect to attend the festivities? Do not round your
answer.
2.47
What calculation did you do to get that answer?
13 x 0.19
Parts e and f
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.
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F4
F5
F7
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Transcribed Image Text:b. List the values that X may take on.
(List every single value in order; Separate the answers with commas. NO SPACES.)
1,2,3,4,5,6,7,8,9,10,11,12,13
c. Give the distribution of X: X~
( 13
0.19
d. How many of the 13 students do we expect to attend the festivities? Do not round your
answer.
2.47
What calculation did you do to get that answer?
13 x 0.19
Parts e and f
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.
e. Find the probability that at most four students will attend. (Round to five decimals.)
%3D
f. Find the probability that more than two students will attend. (Round to five decimals.)
%3D
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