a. What is the distribution of X?X - ? @ Please show the following answers to 4 decimal places. b. What is the probability that exactly 31 intitutions in this study offer distance learning courses? c. What is the probability that at most 31 intitutions in this study offer distance learning courses? d. What is the probability that at least 31 intitutions in this study offer distance learning courses? e. What is the probability that between 29 and 33 (including 29 and 33) intitutions in this study offer distance learning courses?
a. What is the distribution of X?X - ? @ Please show the following answers to 4 decimal places. b. What is the probability that exactly 31 intitutions in this study offer distance learning courses? c. What is the probability that at most 31 intitutions in this study offer distance learning courses? d. What is the probability that at least 31 intitutions in this study offer distance learning courses? e. What is the probability that between 29 and 33 (including 29 and 33) intitutions in this study offer distance learning courses?
Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter4: Polynomial And Rational Functions
Section4.3: Zeros Of Polynomials
Problem 67E
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Question
Help stats please
Transcribed Image Text:tab
Formulas: np;√np(1-p) ;
Here is the quick link to the scientific calculator , and from there, you may navigate to any online statistics
calculators using the "Content" tab on the upper-left-hand side.
94% of the largest colleges and universities (more than 15,000 total enrollments) have some online offerings.
Suppose you randomly pick 35 such intitutions, and let X be the number of intitutions that offer distance
learning courses.
a. What is the distribution of X?X - ? (
Please show the following answers to 4 decimal places.
b. What is the probability that exactly 31 intitutions in this study offer distance learning courses?
Check Answer
c. What is the probability that at most 31 intitutions in this study offer distance learning courses?
esc,
d. What is the probability that at least 31 intitutions in this study offer distance learning courses?
e. What is the probability that between 29 and 33 (including 29 and 33) intitutions in this study offer
distance learning courses?
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1
p(1 - p)
n
F1
Q
@
€ N
;
F2
σ
√n
W
#3
80
F3
E
$
4
Q
F4
R
%
5
0
F5
L
MacBook Air
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6
F6
&
7
Transcribed Image Text:Formulas: np; np(1 - p);
Here is the quick link to the scientific calculator, and from there, you may navigate to any online statistics
calculators using the "Content" tab on the upper-left-hand side.
A small airline has a policy of booking as many as 60 persons on an airplane that can seat only 53. (Past studies
have revealed that only 77% of the booked passengers actually arrive for the flight.)
Check Answer
Find the probability that if Air-USA books 60 persons, not enough seats will be available.
Probability =
(Please show your answer to 4 decimal places.)
esc.
1
F1
p(1 - p)
n
C
@
2
F2
σ
W
#3
80
F3
54
$
4
a
F4
%
5
0
F5
MacBook Air
^
6
F6
8
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