COMBINED Probability Calculators RevA(1)

.xlsx

School

Virginia Commonwealth University *

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212

Subject

Statistics

Date

Nov 24, 2024

Type

xlsx

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Uploaded by ahmad.younes

2 X 2 Contingency Tables for Probabilities us Event A Event B A B 0.5 Not B 0.17 Totals 0.67 Probabilities Calculations Simple Probabilities Event B P(B) = P(Not B) = Event A P(A) = P(Not A) = P(B and A) = P(B and Not A) = P(Not B and A) = P(Not B and Not A) = P(B or A) = P(B or Not A) = P(Not B or A) = P(Not B or Not A) = "Event A GIVEN Event B" P(B | A) = P(Not B | A) = P(B | Not A) = P(Not B | Not A) = Joint Probabilities ("A AND B") Addition Rule ("A OR B") Conditional Probabilities ("A GIVEN B" or "B GI

"Event B GIVEN Event A" P(A | B) = P(Not A | B) = P(A | Not B) = P(Not A | Not B) =

sing Proportions Not A Totals 0.07 0.57 0.26 0.43 0.33 1 Event A Yes 0.5700 No 0.4300 Total 0.6700 0.3300 0.5000 0.0700 Event A Yes 0.1700 No 0.2600 Total 0.7400 0.8300 0.9300 0.5000 0.7463 0.2537 0.2121 0.7879 IVEN A") Instructions: 1. Enter the labels for both events in the blue cel 2. Enter the counts or proportions in the peach c 3. All yellow cells will update. 4. Find the probability you need in the Probabilite Note: Only blue and peach colored cells can be c

0.8772 0.1228 0.3953 0.6047

General Format When expressed in proportions (% Grand Total) Event B Yes No Total P(A) P(not A) P(B) P(not B) 1 General Format When expressed in counts Event B Yes No Total C(A) C(not A) C(B) C(not B) C(A∩not A) or C(B∩not B) P(A ∩ B) P(A ∩not B) P(not A ∩ B) P(not A ∩not B) C(A ∩ B) C(A ∩not B) C(not A ∩ B) C(not A ∩not B) lls. These labels will update the labels in the probabilities area. cells. es tables. changed. The rest are locked. The calculator can be used with proportions or counts.

2 X 2 Contingenc Event B B Not B Totals Probab Simp Conditional Probabiliti "Event Joint Prob Additio

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