TNTO 24 1 5:454GTNTQ3-W3-STAT-AN...EXAMPLE 6:Find the percentage for the following scores, still using the giveninformation in Example 5.a. between 12 and 35b. less than 25c. greater than 27d. less than 18 and greater than 24GIVEN:N = 200p- 30o -8SOLUTION:a. between 12 and 35Z = 12-30Z- -1.25A1 = 0.4878Z= 35- 30A = Ai+ A28Z = 0.63Az = 0.2357A = 0.4878 + 0.2357A = 0.7235P = 72.35%-2 -1 0 1 2 3-3b. less than 25Z= 25- 30Z = -0.63A1 = 0.2357A = 0.5 - A1AF0.5 - 0.2357A = 0.2643P= 26.43%-3-2 -1 0123c. greater than 27A = 0.5 + A1A = 0.5 + 0.1480A = 0.648027- 30Z = -0.38A1 = 0.1480P = 64.80%

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Description: TNTO 24 1 5:454GTNTQ3-W3-STAT-AN...EXAMPLE 6:Find the percentage for the following scores, still using the giveninformation in Example 5.a. between 12 and 35b. less than 25c. greater than 27d. less than 18 and greater than 24GIVEN:N = 200p- 30o -8SO

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EXAMPLE 6: Find the percentage for the following scores, still using the given information in Example 5. a. between 12 and 35 b. less than 25 c. greater than 27 d. less than 18 and greater than 24 GIVEN: N = 200 p- 30 o -8 SOLUTION: a. between 12 and 35 A = A1+ Aa A = 0.4878 + 0.2357 A = 0.7235 P = 72.35% 12- 30 35- 30 Z = z = -1.25 A1 = 0.4878 Z = 0.63 Az = 0.2357 -3 -2 -1 0 1 2 3 b. less than 25 A = 0.5 - A1 A0.5 - 0.2357 A = 0.2643 P = 26.43% 25- 30 Z = -0.63 A, = 0.2357 -3 -2 -1 2 з c. greater than 27 27- 30 A = 0.5 + A1 A = 0.5 + 0.1480 A = 0.6480 Z = -0.38 A = 0.1480 P = 64.80%

EXAMPLE 6: Find the percentage for the following scores, still using the given information in Example 5. a. between 12 and 35 b. less than 25 c. greater than 27 d. less than 18 and greater than 24 GIVEN: N = 200 p- 30 o -8 SOLUTION: a. between 12 and 35 A = A1+ Aa A = 0.4878 + 0.2357 A = 0.7235 P = 72.35% 12- 30 35- 30 Z = z = -1.25 A1 = 0.4878 Z = 0.63 Az = 0.2357 -3 -2 -1 0 1 2 3 b. less than 25 A = 0.5 - A1 A0.5 - 0.2357 A = 0.2643 P = 26.43% 25- 30 Z = -0.63 A, = 0.2357 -3 -2 -1 2 з c. greater than 27 27- 30 A = 0.5 + A1 A = 0.5 + 0.1480 A = 0.6480 Z = -0.38 A = 0.1480 P = 64.80%

A First Course in Probability (10th Edition)

10th Edition

ISBN:9780134753119

Author:Sheldon Ross

Publisher:Sheldon Ross

Chapter1: Combinatorial Analysis

Section: Chapter Questions

Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...

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Concept explainers

Contingency Table

A contingency table can be defined as the visual representation of the relationship between two or more categorical variables that can be evaluated and registered. It is a categorical version of the scatterplot, which is used to investigate the linear relationship between two variables. A contingency table is indeed a type of frequency distribution table that displays two variables at the same time.

Binomial Distribution

Binomial is an algebraic expression of the sum or the difference of two terms. Before knowing about binomial distribution, we must know about the binomial theorem.

Topic Video

Question

TNT
O 24 1 5:45
4G
TNT
Q3-W3-STAT-AN...
EXAMPLE 6:
Find the percentage for the following scores, still using the given
information in Example 5.
a. between 12 and 35
b. less than 25
c. greater than 27
d. less than 18 and greater than 24
GIVEN:
N = 200
p- 30
o -8
SOLUTION:
a. between 12 and 35
Z = 12-30
Z- -1.25
A1 = 0.4878
Z= 35- 30
A = Ai+ A2
8
Z = 0.63
Az = 0.2357
A = 0.4878 + 0.2357
A = 0.7235
P = 72.35%
-2 -1 0 1 2 3
-3
b. less than 25
Z= 25- 30
Z = -0.63
A1 = 0.2357
A = 0.5 - A1
AF0.5 - 0.2357
A = 0.2643
P= 26.43%
-3
-2 -1 01
2
3
c. greater than 27
A = 0.5 + A1
A = 0.5 + 0.1480
A = 0.6480
27- 30
Z = -0.38
A1 = 0.1480
P = 64.80%

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