The average number of field mice per acre in a 6-acre wheat field is estimated to be 16. (a) Find the probability that fewer than 15 field mice are found on a given acre. (b) Find the probability that fewer than 15 field mice are found on 2 of the next 3 acres inspected. E Click here to view the table of Poisson probability sums.

A First Course in Probability (10th Edition)
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ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
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The average number of field mice per acre in a 6-acre wheat field is estimated to be 16.
(a) Find the probability that fewer than 15 field mice are found on a given acre.
(b) Find the probability that fewer than 15 field mice are found on 2 of the next 3 acres inspected.
Click here to view the table of Poisson probability sums.
Transcribed Image Text:The average number of field mice per acre in a 6-acre wheat field is estimated to be 16. (a) Find the probability that fewer than 15 field mice are found on a given acre. (b) Find the probability that fewer than 15 field mice are found on 2 of the next 3 acres inspected. Click here to view the table of Poisson probability sums.
Poisson Probability Sums E p(r;p)
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
0.0000
0.0000
0.0000
0.0001
1
0.0005
0.0002
0.0000
0.0000
0.0028
0.0012
0.0005
0.0002
0.0001
0.0000
0.0000
3
0.0103
0.0293
0.0000
0.0001
0.0049
0.0023
0.0011
0.0037
0.0005
0.0002
0.0009
0.0001
0.0004
0.0000
0.0151
0.0076
0.0018
0.0002
0.0671
0.0375
0.0203
0.0107
0.0055
0.0028
0.0014
0.0007
0.000S
6.
0.1301
0.0786
0.0458
0.0259
0.0142
0.0076
0.0040
0.0021
0.0010
0.2202
0.1432
0.0895
0.0020
0.0540
0.0998
7
0.0316
0.0180
0.0100
0.0054
0.3328
0.1550
0.2424
0.3472
8
0.0621
0.0220
0.0126
0.2320
0.3405
0.0374
0.0699
0.0071
0.0154
0.030-
0.4579
0.1658
0.1094
0.0433
0.0261
10
0.5830
0.4599
0.2517
0.1757
0.1185
0.0774
0.0491
11
0.6968
0.5793
0.4616
0.3532
0.2600
0.1848
0.1270
0.0847
0.0545
12
0.7916
0.8645
0.6887
0.7813
0.5760
0.6815
0.4631
0.5730
0.3585
0.4644
0.2676
0.1931
0.1350
0.091
0.1426
13
0.3632
0.2745
0.2009
14
15
0.6751
0.7636
0.5704
0.6694
0.9165
0.8540
0.9074
0.7720
0.8444
0.4657
0.5681
0.3675
0.4667
0.2808
0.3715
0.2081
0.9513
0.2867
16
0.9730
0.9441
0.8987
0.8355
0.7559
0.6641
0.5660
0.4677
0.3751
17
0.9857
0.9678
0.9370
0.8905
0.8272
0.7489
0.6593
0.5640
0.4686
18
0.9823
0.9302
0.5622
0.9928
0.9965
0.9626
0.9787
0.8826
0.8195
0.7423
0.6550
0.7363
0.9907
0.9573
0.9235
0.8752
0.8122
0.650S
19
20
0.9984
0.9953
0.9884
0.9750
0.9521
0.9170
0.8682
0.8055
0.730
21
0.9993
0.9977
0.9990
0.9939
0.9859
0.9712
0.9469
0.9673
0.9108
0.9418
0.9633
0.8615
0.7991
22
0.9997
0.9970
0.9924
0.9833
0.9047
0.8551
23
24
0.9999
1.0000
0.9995
0.9998
0.9985
0.9993
0.9960
0.9980
0.9907
0.9950
0.9805
0.9888
0.9367
0.9594
0.8986
0.931
0.965
0.9777
25
0.9999
0.9997
0.9990
0.9974
0.9938
0.9869
0.9748
26
27
28
0.9995
0.9998
0.9999
0.9925
0.9959
0.9978
0.9989
0.971
0.9827
0.9892
1.0000
0.9999
0.9987
0.9994
0.9997
0.9967
0.9983
0.9848
0.9912
0.9999
1.0000
0.9991
0.9930
0.9973
0.9986
29
1.0000
0.9909
0.9996
0.9941
30
0.9999
0.9908
0.9994
0.996
31
1.0000
0.9997
0.9993
0.9982
0.9999
1.0000
32
0.9909
0.9996
0.9900
33
0.9999
0.9998
0.9990
0.9998
0.900
34
1.0000
0.9999
35
1.0000
36
0.9990
1.0000
37
10.0
11.0
12.0
13.0
14.0
15.0
16.0
17.0
18.0
Transcribed Image Text:Poisson Probability Sums E p(r;p) 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0 0.0000 0.0000 0.0000 0.0001 1 0.0005 0.0002 0.0000 0.0000 0.0028 0.0012 0.0005 0.0002 0.0001 0.0000 0.0000 3 0.0103 0.0293 0.0000 0.0001 0.0049 0.0023 0.0011 0.0037 0.0005 0.0002 0.0009 0.0001 0.0004 0.0000 0.0151 0.0076 0.0018 0.0002 0.0671 0.0375 0.0203 0.0107 0.0055 0.0028 0.0014 0.0007 0.000S 6. 0.1301 0.0786 0.0458 0.0259 0.0142 0.0076 0.0040 0.0021 0.0010 0.2202 0.1432 0.0895 0.0020 0.0540 0.0998 7 0.0316 0.0180 0.0100 0.0054 0.3328 0.1550 0.2424 0.3472 8 0.0621 0.0220 0.0126 0.2320 0.3405 0.0374 0.0699 0.0071 0.0154 0.030- 0.4579 0.1658 0.1094 0.0433 0.0261 10 0.5830 0.4599 0.2517 0.1757 0.1185 0.0774 0.0491 11 0.6968 0.5793 0.4616 0.3532 0.2600 0.1848 0.1270 0.0847 0.0545 12 0.7916 0.8645 0.6887 0.7813 0.5760 0.6815 0.4631 0.5730 0.3585 0.4644 0.2676 0.1931 0.1350 0.091 0.1426 13 0.3632 0.2745 0.2009 14 15 0.6751 0.7636 0.5704 0.6694 0.9165 0.8540 0.9074 0.7720 0.8444 0.4657 0.5681 0.3675 0.4667 0.2808 0.3715 0.2081 0.9513 0.2867 16 0.9730 0.9441 0.8987 0.8355 0.7559 0.6641 0.5660 0.4677 0.3751 17 0.9857 0.9678 0.9370 0.8905 0.8272 0.7489 0.6593 0.5640 0.4686 18 0.9823 0.9302 0.5622 0.9928 0.9965 0.9626 0.9787 0.8826 0.8195 0.7423 0.6550 0.7363 0.9907 0.9573 0.9235 0.8752 0.8122 0.650S 19 20 0.9984 0.9953 0.9884 0.9750 0.9521 0.9170 0.8682 0.8055 0.730 21 0.9993 0.9977 0.9990 0.9939 0.9859 0.9712 0.9469 0.9673 0.9108 0.9418 0.9633 0.8615 0.7991 22 0.9997 0.9970 0.9924 0.9833 0.9047 0.8551 23 24 0.9999 1.0000 0.9995 0.9998 0.9985 0.9993 0.9960 0.9980 0.9907 0.9950 0.9805 0.9888 0.9367 0.9594 0.8986 0.931 0.965 0.9777 25 0.9999 0.9997 0.9990 0.9974 0.9938 0.9869 0.9748 26 27 28 0.9995 0.9998 0.9999 0.9925 0.9959 0.9978 0.9989 0.971 0.9827 0.9892 1.0000 0.9999 0.9987 0.9994 0.9997 0.9967 0.9983 0.9848 0.9912 0.9999 1.0000 0.9991 0.9930 0.9973 0.9986 29 1.0000 0.9909 0.9996 0.9941 30 0.9999 0.9908 0.9994 0.996 31 1.0000 0.9997 0.9993 0.9982 0.9999 1.0000 32 0.9909 0.9996 0.9900 33 0.9999 0.9998 0.9990 0.9998 0.900 34 1.0000 0.9999 35 1.0000 36 0.9990 1.0000 37 10.0 11.0 12.0 13.0 14.0 15.0 16.0 17.0 18.0
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