Problems 87 and 88 refer to the data in the following table, obtained in a study to determine the frequency and dependency of IQ ranges relative to males and females. 1 , 000 people were chosen at random and the following results were recorded: Psychology. (A) What is the probability of a person having an IQ below 90 , given that the person is a female? A male? (B) What is the probability of a person having an IQ below 90 ? (C) Are events A and F dependent? A and F ′ ?
Problems 87 and 88 refer to the data in the following table, obtained in a study to determine the frequency and dependency of IQ ranges relative to males and females. 1 , 000 people were chosen at random and the following results were recorded: Psychology. (A) What is the probability of a person having an IQ below 90 , given that the person is a female? A male? (B) What is the probability of a person having an IQ below 90 ? (C) Are events A and F dependent? A and F ′ ?
Problems
87
and
88
refer to the data in the following table, obtained in a study to determine the frequency and dependency of
IQ
ranges relative to males and females.
1
,
000
people were chosen at random and the following results were recorded:
Psychology.
(A) What is the probability of a person having an
IQ
below
90
, given that the person is a female?
A
male?
(B) What is the probability of a person having an
IQ
below
90
?
=
Q6 What will be the allowable bearing capacity of sand having p = 37° and ydry
19 kN/m³ for (i) 1.5 m strip foundation (ii) 1.5 m x 1.5 m square footing and
(iii)1.5m x 2m rectangular footing. The footings are placed at a depth of 1.5 m
below ground level. Assume F, = 2.5. Use Terzaghi's equations.
0
Ne
Na
Ny
35 57.8 41.4 42.4
40 95.7 81.3 100.4
Q1 The SPT records versus depth are given in table below. Find qan for the raft 12%
foundation with BxB-10x10m and depth of raft D-2m, the allowable
settlement is 50mm.
Elevation, m 0.5 2
2 6.5 9.5 13 18 25
No.of blows, N 11 15 29 32 30 44
0
estigate shear
12%
2
Chapter 8 Solutions
Finite Mathematics for Business, Economics, Life Sciences and Social Sciences Plus NEW MyLab Math with Pearson eText -- Access Card Package (13th Edition)
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