Mathematics, 04.10.2020 18:01 dayanaram
A poll of 100 senior citizens in a retirement community asked about the types of electronic
communication they used. The table shows the joint and marginal frequencies from the poll results,
If you are given that one of the people polled uses text messaging, what is the probability that the
person is also using e-mail? Express your answer as a decimal. If necessary, round your answer to the
nearest hundredth.
Uses text messaging
Total
0.83
Uses e-mail
Yes No
Yes 0.17 0.66
No 0.11 0.06
Total 0.28 0.72
0.17
1
None of the other answers are correct
O 0.61
O 0.65
O 0.13
O 0.8
Answers: 2
Mathematics, 21.06.2019 14:30
3. solve the given inequality and graph the solution on a number line.
Answers: 3
Mathematics, 21.06.2019 20:00
Hell . what are the solutions to `10x^2 - 38x - 8 = 0`? is this when i find the factors and use the numbers within the factors to determine the zeros? i hope that made sense lol
Answers: 2
Mathematics, 21.06.2019 21:30
Worth 15 points handsome jack is buying a pony made of diamonds. the price of the pony is p dollars, and jack also has to pay a 25% diamond pony tax. which of the following expressions could represent how much jack pays in total for the pony? a= p = 1/4 b= p+0.25p c=(p + 1/4)p d=5/4p 0.25p choose 2 answers
Answers: 1
A poll of 100 senior citizens in a retirement community asked about the types of electronic
communi...
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