![subject](/tpl/images/cats/mat.png)
Mathematics, 20.07.2019 14:30 ava789
The probability that a student correctly answers on the first try (the event a. is p(a) = 0.2. if the student answers incorrectly on the first try, the student is allowed a second try to correctly answer the question (the event b). the probability that the student answers correctly on the second try given that he answered incorrectly on the first try is 0.5. find the probability that the student answers the question on the first or second try. a.0.90 b.0.40 c.0.10 d.0.70 e.0.60
![ansver](/tpl/images/cats/User.png)
Answers: 1
![](/tpl/images/ask_question.png)
![](/tpl/images/ask_question_mob.png)
Another question on Mathematics
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
Jan accidently ran 7 minutes longer than he was supposed to. write an expression for the total amount of time jan ran if she was supposed to run m minutes
Answers: 1
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 00:30
Which unit rate is the lowest price per ounce? (5 points) choice a: 6 ounces of chocolate chips for $2.49 choice b: 8 ounces of chocolate chips for $3.32
Answers: 2
![question](/tpl/images/cats/mat.png)
Mathematics, 22.06.2019 01:00
Which of the following is equal to the rational expression when x is not equal to -2 or -6?
Answers: 2
![question](/tpl/images/cats/mat.png)
You know the right answer?
The probability that a student correctly answers on the first try (the event a. is p(a) = 0.2. if th...
Questions
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mkx.png)
Arts, 03.12.2020 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00
![question](/tpl/images/cats/biologiya.png)
Biology, 03.12.2020 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00
![question](/tpl/images/cats/es.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/fizika.png)
![question](/tpl/images/cats/obshestvoznanie.png)
Social Studies, 03.12.2020 01:00
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00
![question](/tpl/images/cats/istoriya.png)
![question](/tpl/images/cats/mat.png)
![question](/tpl/images/cats/obshestvoznanie.png)
![question](/tpl/images/cats/mat.png)
Mathematics, 03.12.2020 01:00
![question](/tpl/images/cats/User.png)
![question](/tpl/images/cats/biologiya.png)
![question](/tpl/images/cats/mat.png)