What’s the expected number Totals1/6Table 2. Predictions and results of tossing two coins 40 times.Possible OutcomesCombinationsHH2 Heads1 Heads, 1 Tails2 TailsTotalsHT, THTTProbability (P)1Table 3. Predictions and results of tossing three coins 64 times.3/1011/203/201/6Observed Number (0)12226401/12Expected Number (E)0Deviation (O-E)1222640

possible outcomes COMBINATION PROBABILITY(P) OBSERVED NUMBER 2H HH 3/10 12 1H,1T HT,TH 11/20 22…

Table 2. Predictions and results of tossing two coins 40 times. Possible Outcomes Combinations HH HT, TH TT 2 Heads 1 Heads, 1 Tails 2 Tails Totals Probability (P) 1 3/10 11/20 3/20 Observed Number (0) 12 22 6 40 Expected Number (E) Deviation (O-E) 12 22 6 40

Table 2. Predictions and results of tossing two coins 40 times. Possible Outcomes Combinations HH HT, TH TT 2 Heads 1 Heads, 1 Tails 2 Tails Totals Probability (P) 1 3/10 11/20 3/20 Observed Number (0) 12 22 6 40 Expected Number (E) Deviation (O-E) 12 22 6 40

Algebra & Trigonometry with Analytic Geometry

13th Edition

ISBN:9781133382119

Author:Swokowski

Publisher:Swokowski

Chapter10: Sequences, Series, And Probability

Section10.8: Probability

Problem 10E

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Question

What’s the expected number

Totals
1/6
Table 2. Predictions and results of tossing two coins 40 times.
Possible Outcomes
Combinations
HH
2 Heads
1 Heads, 1 Tails
2 Tails
Totals
HT, TH
TT
Probability (P)
1
Table 3. Predictions and results of tossing three coins 64 times.
3/10
11/20
3/20
1/6
Observed Number (0)
12
22
6
40
1/12
Expected Number (E)
0
Deviation (O-E)
12
22
6
40

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