T 0.1 0.2 0.3 0 0.9048 0.8187 0.7408 1 0.9953 0.9825 0.9998 1.0000 2 3 4 5 6 T 3 4 5 6 7 8 9 10 T 1.0 1.5 0 0.3679 0.2231 1 0.7358 2 0.9197 11 12 13 14 15 16 0.1 T Poisson Probability Sums p(x;µ) 0.9999 1.0000 0.9989 0.9964 0.9999 0.9997 1.0000 1.0000 0.2 0.5578 0.8088 0.9810 0.9344 1.0 0.9963 0.9814 0.9994 0.4 0.6 0.9 0.6065 0.5488 0.4066 0.7725 0.6703 0.9631 0.9384 0.9098 0.8781 0.8442 0.9921 0.9856 0.9769 0.9659 0.9992 0.9982 0.9966 0.9996 0.9526 0.9371 0.9942 0.9909 0.9865 0.9999 0.9998 0.9992 0.9986 0.9977 1.0000 1.0000 1.0000 0.9999 0.9998 0.9997 1.0000 1.0000 1.0000 0.7 0.8 0.9 0.3 1.5 0.9473 0.9955 0.9834 2=0 2.0 2.5 0.1353 0.0821 0.4060 0.2873 0.6767 0.5438 0.8571 0.7576 0.4 2.0 " 0.5 0.5 " f 3.0 0.9991 0.9955 0.9858 0.9665 0.9998 0.9989 1.0000 0.0498 0.1991 0.4232 0.6472 0.8912 0.8153 0.9580 0.9161 2.5 1.0000 0.9999 1.0000 0.6 0.9347 0.8893 0.8311 0.9733 0.9489 0.9134 0.9958 0.9881 0.9998 0.9989 0.9962 0.9901 1.0000 0.9997 0.9989 0.9967 0.9786 0.9597 0.9919 0.9829 0.9999 0.9997 0.9933 3.0 " 0.7 0.8 0.4966 0.4493 0.8088 3.5 4.0 4.5 5.0 0.0302 0.0183 0.0111 0.0067 0.1359 0.0916 0.0611 0.0404 0.3208 0.2381 0.1736 0.1247 0.5366 0.4335 0.3423 0.2650 0.7254 0.6288 0.5321 0.8576 0.7851 0.7029 0.9990 0.9972 0.9991 0.9976 0.9997 0.9999 0.9997 0.9992 1.0000 0.9999 0.9997 1.0000 0.9999 1.0000 3.5 4.0 4.5 0.4405 0.6160 0.7622 0.8666 0.9319 0.9682 0.9863 0.9945 0.9980 0.9993 0.9998 0.9999 1.0000 5.0 On average, 2.5 traffic accidents per month occur at a certain intersection. Complete parts (a) through (c) below. Click here to view the table of Poisson probability sums. (a) What is the probability that exactly 2 accidents will occur in any given month at this intersection? The probability that exactly 2 accidents will occur in any given month at this intersection is 0.2565 (Round to four decimal places as needed.) (b) What is the probability that fewer than 5 accidents will occur in any given month at this intersection? The probability that fewer than 5 accidents will occur in any given month at this intersection is (Round to four decimal places as needed.)

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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I need help with part b here

T
0.1
0.2
0.3
0 0.9048 0.8187 0.7408
1 0.9953 0.9825
0.9998
1.0000
2
3
4
5
6
T
3
4
5
6
7
8
9
10
T
1.0
1.5
0
0.3679 0.2231
1
0.7358
2 0.9197
11
12
13
14
15
16
0.1
T
Poisson Probability Sums p(x;µ)
0.9999
1.0000
0.9989 0.9964
0.9999 0.9997
1.0000 1.0000
0.2
0.5578
0.8088
0.9810 0.9344
1.0
0.9963 0.9814
0.9994
0.4
0.6
0.9
0.6065 0.5488
0.4066
0.7725
0.6703
0.9631 0.9384 0.9098 0.8781 0.8442
0.9921 0.9856 0.9769 0.9659
0.9992 0.9982 0.9966
0.9996
0.9526 0.9371
0.9942
0.9909
0.9865
0.9999 0.9998
0.9992 0.9986
0.9977
1.0000 1.0000
1.0000
0.9999 0.9998
0.9997
1.0000 1.0000
1.0000
0.7
0.8
0.9
0.3
1.5
0.9473
0.9955 0.9834
2=0
2.0
2.5
0.1353
0.0821
0.4060
0.2873
0.6767
0.5438
0.8571 0.7576
0.4
2.0
"
0.5
0.5
"
f
3.0
0.9991 0.9955 0.9858 0.9665
0.9998 0.9989
1.0000
0.0498
0.1991
0.4232
0.6472
0.8912 0.8153
0.9580 0.9161
2.5
1.0000 0.9999
1.0000
0.6
0.9347 0.8893 0.8311
0.9733
0.9489 0.9134
0.9958 0.9881
0.9998 0.9989 0.9962 0.9901
1.0000 0.9997 0.9989 0.9967
0.9786 0.9597
0.9919 0.9829
0.9999 0.9997
0.9933
3.0
"
0.7
0.8
0.4966 0.4493
0.8088
3.5
4.0
4.5
5.0
0.0302
0.0183 0.0111
0.0067
0.1359 0.0916
0.0611
0.0404
0.3208 0.2381 0.1736 0.1247
0.5366 0.4335
0.3423
0.2650
0.7254 0.6288 0.5321
0.8576 0.7851
0.7029
0.9990 0.9972
0.9991 0.9976
0.9997
0.9999 0.9997 0.9992
1.0000
0.9999 0.9997
1.0000 0.9999
1.0000
3.5
4.0
4.5
0.4405
0.6160
0.7622
0.8666
0.9319
0.9682
0.9863
0.9945
0.9980
0.9993
0.9998
0.9999
1.0000
5.0
Transcribed Image Text:T 0.1 0.2 0.3 0 0.9048 0.8187 0.7408 1 0.9953 0.9825 0.9998 1.0000 2 3 4 5 6 T 3 4 5 6 7 8 9 10 T 1.0 1.5 0 0.3679 0.2231 1 0.7358 2 0.9197 11 12 13 14 15 16 0.1 T Poisson Probability Sums p(x;µ) 0.9999 1.0000 0.9989 0.9964 0.9999 0.9997 1.0000 1.0000 0.2 0.5578 0.8088 0.9810 0.9344 1.0 0.9963 0.9814 0.9994 0.4 0.6 0.9 0.6065 0.5488 0.4066 0.7725 0.6703 0.9631 0.9384 0.9098 0.8781 0.8442 0.9921 0.9856 0.9769 0.9659 0.9992 0.9982 0.9966 0.9996 0.9526 0.9371 0.9942 0.9909 0.9865 0.9999 0.9998 0.9992 0.9986 0.9977 1.0000 1.0000 1.0000 0.9999 0.9998 0.9997 1.0000 1.0000 1.0000 0.7 0.8 0.9 0.3 1.5 0.9473 0.9955 0.9834 2=0 2.0 2.5 0.1353 0.0821 0.4060 0.2873 0.6767 0.5438 0.8571 0.7576 0.4 2.0 " 0.5 0.5 " f 3.0 0.9991 0.9955 0.9858 0.9665 0.9998 0.9989 1.0000 0.0498 0.1991 0.4232 0.6472 0.8912 0.8153 0.9580 0.9161 2.5 1.0000 0.9999 1.0000 0.6 0.9347 0.8893 0.8311 0.9733 0.9489 0.9134 0.9958 0.9881 0.9998 0.9989 0.9962 0.9901 1.0000 0.9997 0.9989 0.9967 0.9786 0.9597 0.9919 0.9829 0.9999 0.9997 0.9933 3.0 " 0.7 0.8 0.4966 0.4493 0.8088 3.5 4.0 4.5 5.0 0.0302 0.0183 0.0111 0.0067 0.1359 0.0916 0.0611 0.0404 0.3208 0.2381 0.1736 0.1247 0.5366 0.4335 0.3423 0.2650 0.7254 0.6288 0.5321 0.8576 0.7851 0.7029 0.9990 0.9972 0.9991 0.9976 0.9997 0.9999 0.9997 0.9992 1.0000 0.9999 0.9997 1.0000 0.9999 1.0000 3.5 4.0 4.5 0.4405 0.6160 0.7622 0.8666 0.9319 0.9682 0.9863 0.9945 0.9980 0.9993 0.9998 0.9999 1.0000 5.0
On average, 2.5 traffic accidents per month occur at a certain intersection. Complete parts (a) through (c) below.
Click here to view the table of Poisson probability sums.
(a) What is the probability that exactly 2 accidents will occur in any given month at this intersection?
The probability that exactly 2 accidents will occur in any given month at this intersection is 0.2565
(Round to four decimal places as needed.)
(b) What is the probability that fewer than 5 accidents will occur in any given month at this intersection?
The probability that fewer than 5 accidents will occur in any given month at this intersection is
(Round to four decimal places as needed.)
Transcribed Image Text:On average, 2.5 traffic accidents per month occur at a certain intersection. Complete parts (a) through (c) below. Click here to view the table of Poisson probability sums. (a) What is the probability that exactly 2 accidents will occur in any given month at this intersection? The probability that exactly 2 accidents will occur in any given month at this intersection is 0.2565 (Round to four decimal places as needed.) (b) What is the probability that fewer than 5 accidents will occur in any given month at this intersection? The probability that fewer than 5 accidents will occur in any given month at this intersection is (Round to four decimal places as needed.)
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