Mathematics, 09.03.2021 21:50 murokh
You pick a card at random. Without putting the first card back, you pick a second card at random. What is the probability of picking a 7 and then picking a number less than 5? Simplify your answer and write it as a fraction or whole number.
Answers: 3
![Probability[of\ an\ Event\ A]=\frac{Favourable\ no.\ of\ elementary\ events\ to\ A}{Total\ no.\ of\ elementary\ events}\\Probability[of\ picking\ a\ 7]=\frac{1}{10}](/tpl/images/1181/6731/adc9d.png)
![Now,\\As\ we've\ already\ picked\ a\ card[i.e\ 7],\\The\ total\ outcomes\ to\ the\ Random\ Experiment\ A\ are\ 1,2,3,4,5,6,8,9,10.\\Hence,\\Lets\ consider\ picking\ another\ card\ less\ than\ 5:\\Here,\\The\ favorable\ condition\ is\ picking\ a\ card\ less\ than\ 5.\\Hence,\\The\ favorable\ outcomes\ are\ 1,2,3,4.\\No.\ of\ favorable\ elementary\ events=4\\Total\ no.\ of\ elementary\ events=9\\As\ we\ already\ know\ that,\\](/tpl/images/1181/6731/b87f7.png)
![Probability[of\ an\ Event\ A]=\frac{Favourable\ no.\ of\ elementary\ events\ to\ A}{Total\ no.\ of\ elementary\ events}\\Probability[of\ picking\ a\ card\ less\ than\ 5]=\frac{4}{9}](/tpl/images/1181/6731/1b5c0.png)
Another question on Mathematics
Mathematics, 21.06.2019 17:30
Miguel’s teacher asks him to color 4/8 of his grid. he must use 3 colors: red, blue, and green. there must be more green sections than red sections. how can miguel color all the sections of his grid to follow all the rules
Answers: 1
Mathematics, 21.06.2019 20:30
You’re giving a cube with a length of 2.5 cm and a width of 2.5 cm and a high of 2.5 cm you place it on a scale and it is 295 g calculate the density
Answers: 1
Mathematics, 21.06.2019 22:00
Apackage of five erasers cost 0. $.39 at this rate how many how much would 60 erasers cost in dollars and cents
Answers: 2
You know the right answer?
You pick a card at random. Without putting the first card back, you pick a second card at random. Wh...
Questions
Mathematics, 10.10.2021 23:50
Arts, 10.10.2021 23:50
Mathematics, 10.10.2021 23:50
Mathematics, 10.10.2021 23:50
Mathematics, 10.10.2021 23:50
Chemistry, 10.10.2021 23:50
Social Studies, 10.10.2021 23:50
Mathematics, 10.10.2021 23:50
Geography, 10.10.2021 23:50
Mathematics, 10.10.2021 23:50
English, 10.10.2021 23:50
Mathematics, 10.10.2021 23:50
History, 10.10.2021 23:50
Mathematics, 10.10.2021 23:50
