PRACTICE OF STATISTICS F/AP EXAM
PRACTICE OF STATISTICS F/AP EXAM
6th Edition
ISBN: 9781319113339
Author: Starnes
Publisher: MAC HIGHER
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Chapter 7, Problem AP2.16CPT
To determine

To find: the one of the represents the approximate probability of obtaining a sample of same overall proportion of adults who owns their home as does the entire country.

Expert Solution & Answer
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Answer to Problem AP2.16CPT

  P(Z<0.650.710.71(0.29)100)

Explanation of Solution

Given:

  n=100x=65p=0.71

Formula used:

  σp^=p(1p)n

Calculation:

Normal approximation of the binomial distribution: np10 and nq10

  np=100(0.71)=7110nq=n(1p)=100(10.71)=2910

Therefore the requirements are satisfied and it can then about the binomial distribution by the normal distribution.

Sample size

  p^=xn=65100=0.65

  σp^=p(1p)n=0.71(10.71)100=0.71(0.29)100

  z=xμσ=0.650.710.71(0.29)100

It is required to calculate the probability that the sample proportion is less then 0.65

  P(p^<0.65)=P(Z<0.650.710.71(0.29)100)

Hence, the correct option is (c)

Chapter 7 Solutions

PRACTICE OF STATISTICS F/AP EXAM

Ch. 7.1 - Prob. 11ECh. 7.1 - Prob. 12ECh. 7.1 - Prob. 13ECh. 7.1 - Prob. 14ECh. 7.1 - Prob. 15ECh. 7.1 - Prob. 16ECh. 7.1 - Prob. 17ECh. 7.1 - Prob. 18ECh. 7.1 - Prob. 19ECh. 7.1 - Prob. 20ECh. 7.1 - Prob. 21ECh. 7.1 - Prob. 22ECh. 7.1 - Prob. 23ECh. 7.1 - Prob. 24ECh. 7.1 - Prob. 25ECh. 7.1 - Prob. 26ECh. 7.1 - Prob. 27ECh. 7.1 - Prob. 28ECh. 7.1 - Prob. 29ECh. 7.1 - Prob. 30ECh. 7.1 - Prob. 31ECh. 7.1 - Prob. 32ECh. 7.2 - Prob. 33ECh. 7.2 - Prob. 34ECh. 7.2 - Prob. 35ECh. 7.2 - Prob. 36ECh. 7.2 - Prob. 37ECh. 7.2 - Prob. 38ECh. 7.2 - Prob. 39ECh. 7.2 - Prob. 40ECh. 7.2 - Prob. 41ECh. 7.2 - Prob. 42ECh. 7.2 - Prob. 43ECh. 7.2 - Prob. 44ECh. 7.2 - Prob. 45ECh. 7.2 - Prob. 46ECh. 7.2 - Prob. 47ECh. 7.2 - Prob. 48ECh. 7.2 - Prob. 49ECh. 7.2 - Prob. 50ECh. 7.2 - Prob. 51ECh. 7.2 - Prob. 52ECh. 7.3 - Prob. 53ECh. 7.3 - Prob. 54ECh. 7.3 - Prob. 55ECh. 7.3 - Prob. 56ECh. 7.3 - Prob. 57ECh. 7.3 - Prob. 58ECh. 7.3 - Prob. 59ECh. 7.3 - Prob. 60ECh. 7.3 - Prob. 61ECh. 7.3 - Prob. 62ECh. 7.3 - Prob. 63ECh. 7.3 - Prob. 64ECh. 7.3 - Prob. 65ECh. 7.3 - Prob. 66ECh. 7.3 - Prob. 67ECh. 7.3 - Prob. 68ECh. 7.3 - Prob. 69ECh. 7.3 - Prob. 70ECh. 7.3 - Prob. 71ECh. 7.3 - Prob. 72ECh. 7.3 - Prob. 73ECh. 7.3 - Prob. 74ECh. 7.3 - Prob. 75ECh. 7.3 - Prob. 76ECh. 7.3 - Prob. 77ECh. 7.3 - Prob. 78ECh. 7 - Prob. R7.1RECh. 7 - Prob. R7.2RECh. 7 - Prob. R7.3RECh. 7 - Prob. R7.4RECh. 7 - Prob. R7.5RECh. 7 - Prob. R7.6RECh. 7 - Prob. R7.7RECh. 7 - Prob. T7.1SPTCh. 7 - Prob. T7.2SPTCh. 7 - Prob. T7.3SPTCh. 7 - Prob. T7.4SPTCh. 7 - Prob. T7.5SPTCh. 7 - Prob. T7.6SPTCh. 7 - Prob. T7.7SPTCh. 7 - Prob. T7.8SPTCh. 7 - Prob. T7.9SPTCh. 7 - Prob. T7.10SPTCh. 7 - Prob. T7.11SPTCh. 7 - Prob. T7.12SPTCh. 7 - Prob. T7.13SPTCh. 7 - Prob. AP2.1CPTCh. 7 - Prob. AP2.2CPTCh. 7 - Prob. AP2.3CPTCh. 7 - Prob. AP2.4CPTCh. 7 - Prob. AP2.5CPTCh. 7 - Prob. AP2.6CPTCh. 7 - Prob. AP2.7CPTCh. 7 - Prob. AP2.8CPTCh. 7 - Prob. AP2.9CPTCh. 7 - Prob. AP2.10CPTCh. 7 - Prob. AP2.11CPTCh. 7 - Prob. AP2.12CPTCh. 7 - Prob. AP2.13CPTCh. 7 - Prob. AP2.14CPTCh. 7 - Prob. AP2.15CPTCh. 7 - Prob. AP2.16CPTCh. 7 - Prob. AP2.17CPTCh. 7 - Prob. AP2.18CPTCh. 7 - Prob. AP2.19CPTCh. 7 - Prob. AP2.20CPTCh. 7 - Prob. AP2.21CPTCh. 7 - Prob. AP2.22CPTCh. 7 - Prob. AP2.23CPTCh. 7 - Prob. AP2.24CPTCh. 7 - Prob. AP2.25CPT
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