Brian wanted to find out if studying for the algebra test is effective. He surveyed some learners in his class. These are the results. -64 learners studied for the test and passed.    -4 learners passed the test without studying.    -2 learners studied but failed the test.        -60 learners failed the test without having studied. what is the probability that Brian will fail the test, given that he studied.

Q: Sixty percent of consumers prefer to purchase electronics online. You randomly select 8 consumers.…

A: Let the R.V X denotes the number of consumers prefer to purchase electronics online  and it follows…

Q: Anna is baking muffins. She has chocolate chips, nuts, raisins and blueberries. She has decided to…

A:

Q: At the school library, 25% of the books are mysteries. If Sarah randomly chooses a book to read,…

A:

Q: Todd and Tiff both train pets. Todd trains 30% of pets and Tiff trains 70% of pets. Todd’s pets are…

A: Given that P(Todd trains)=0.30 P(Tiff trains)=0.70 P(female| Todd) =0.55 P(female| Tiff) =0.65

Q: Colleen buys a bag of cookies that contains 7 chocolate chip cookies, 6 peanut butter cookies, 7…

A: We can find the required probability by using the probability definition.

Q: Steve has 12 biscuits in a tin. There are 5 digestive and 7 chocolate biscuits. Steve takes two…

A: Given that, Total number of biscuits = 12 5 digestive biscuits and 7 chocolate biscuits We to find…

Q: Julia sets up a passcode on her tablet, which allows only eight-digit codes. A spy sneaksa look at…

A: According to the provided data, the passcode allows only eight digit codes. As the fingerprints on…

Q: You have a bag containing 2 yellow and 3 blue blocks. You reach in and randomly pick a block, record…

A: Given,no.of yellow blocks=2no.of blue blocks=3total no.of blocks=5

Q: Brooke buys a bag of cookies that contains 5 chocolate chip cookies, 5 peanut butter cookies, 6…

A: Given: A bag of cookies contains: Chocolate chip cookies = 5 Peanut butter cookies = 5 Sugar cookies…

Q: Christina needs to make a painting for art class she can only choose two of the eigh colors listed…

A: Here total number of colors is 8. From 8  colours 2 colors can be selected in 8C2 ways. So all…

Q: book. What is the probability that on the next page she will make (a) 4 or more errors? (b) no…

A: Let X denote the number of errors per page. Then the distribution of X is Poisson(2)

Q: Decide which of these numbers could not possibly be probabilities. Explain your answers.…

A: Rules of Probability:The probability of an event must lie between 0 and 1, inclusive.The sum of…

Q: John runs a computer software store. Yesterday he counted 127 people who walked by his store, 58 of…

A: Given Information: Number of people who walked by his store = 127 Ou of which 58 came in the store.…

Q: Elizabeth's school is selling 100 raffle-tickets to raise money for a new gymnasium. The grand-prize…

A: Probability values can't be negative. It takes the values between 0 to 1. If the probability value…

Q: Let's say you have a bag with 22 cherries. 10 of the cherries are sweet and 12 are sour. If you pick…

A: Given that there are total 22 cherries. Among them 10 cherries are sweet.  So, the probability that…

Q: Lucas buys a bag of cookies that contains 5 chocolate chip cookies, 9 peanut butter cookies, 8 sugar…

A: There are 5 chocolate chip cookies, 9 peanute butter cookies, 8 sugar cookies and 6 oatmeal cookies.

Q: Joan and Cindy are on the same bowling league.  The probability that Joan scores more than 150 is…

A: Given that: Probability that Joan scores more than 150 = 0.4 Probability that Cindy scores more than…

Q: Typed please

A: Step 1:13 reservations are accepted from this 11 reservations confirmed.The flight has 12 seat  and…