On average, a textbook author makes 0.6 word-processing error per page on the first draft of her textbook. (a) What is the probability that on the next page she will make 2 or more errors? (b) What is the probability that a randomly selected page is error free? Click here to view the table of Poisson probability sums.
On average, a textbook author makes 0.6 word-processing error per page on the first draft of her textbook. (a) What is the probability that on the next page she will make 2 or more errors? (b) What is the probability that a randomly selected page is error free? Click here to view the table of Poisson probability sums.
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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Transcribed Image Text:2
3
P
0.1
0.2
0
0.9048 0.8187
1 0.9953 0.9825
4
5
6
P
6
7
8
9
10
11
12
13
14
15
16
P
0.1
Poisson Probability Sums p(x;μ)
0.3
0.4
0.7408
0.6703 0.6065
0.9631
0.9098
0.9384
0.9998 0.9989 0.9964 0.9921
0.9992 0.9982
0.9856
1.0000
0.9999 0.9997
1.0000 1.0000
0.9999 0.9998
1.0000 1.0000
0.9999
1.0000
1.0
0.2
0.9991
0.9998
1.0000
0.3
T
1.0
1.5
2.0
2.5
3.5
4.0
4.5
0
0.3679
0.2231 0.1353
0.0302 0.0183
0.0111
1
0.1359 0.0916 0.0611
2
0.0821 0.0498
0.7358 0.5578 0.4060 0.2873 0.1991
0.9197 0.8088 0.6767 0.5438 0.4232 0.3208 0.2381 0.1736
0.9344 0.8571 0.7576 0.6472 0.5366 0.4335 0.3423
0.9814
0.9994 0.9955
3 0.9810
4
0.9963
0.9473
0.8912
0.7254 0.6288 0.5321
5
0.9834
0.9580
0.8576 0.7851
1.5
x=0
0.9955
0.9989
0.9998
1.0000
2.0
0.4
"
0.5
0.5
fl
fl
3.0
2.5
0.8153
0.9161
0.9858
0.9665
0.9958
0.9881
0.9989 0.9962
0.6
0.7
0.8
0.5488
0.4966
0.4493
0.8781 0.8442 0.8088
0.9999
1.0000
3.0
"
0.9769
0.9659 0.9526
0.9966
0.9942 0.9909
0.9996 0.9992 0.9986 0.9977
1.0000 0.9999 0.9998
0.9997
1.0000
1.0000
1.0000
0.7
0.8
0.9
0.6
0.9997 0.9989 0.9967
0.9999
0.9997
1.0000
0.9347 0.8893
0.8311
0.9733
0.9489 0.9134
0.9901 0.9786 0.9597
0.9919
0.9990 0.9972
0.9997
0.9999 0.9997
1.0000
3.5
0.9
0.4066
0.7725
0.9371
0.9865
5.0
0.0067
0.0404
0.1247
0.2650
0.4405
0.7029 0.6160
4.0
0.9991 0.9976 0.9945
0.9992
0.9999 0.9997
1.0000
0.9999
1.0000
0.7622
0.8666
0.9319
0.9829 0.9682
0.9933
0.9863
4.5
0.9980
0.9993
0.9998
0.9999
1.0000
5.0
Transcribed Image Text:On average, a textbook author makes 0.6 word-processing error per page on the first draft of her textbook.
(a) What is the probability that on the next page she will make 2 or more errors?
(b) What is the probability that a randomly selected page is error free?
Click here to view the table of Poisson probability sums.
(a) The probability that a page has at least 2 errors is
(Round to four decimal places as needed.)
(b) The probability that a randomly selected page is error free is
(Round to four decimal places as needed.)
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