Agreat way to visualize conditional probabilities is to think about a bag of marbles. in our initial bag of marbles we have 2 blue marbles, and 3 red marbles. therefore, we have a 2/5 chance of selecting a blue marble, and a 3/5 chance of selecting a red marble. selecting marbles when selecting a second marble, the probabilities have changed. we now have conditional probabilities for all of the different possible scenarios. marble image tree 2 based on the image above, what is p(b|a), the probability of pulling out a red marble, after having already pulled out a blue marble? p(a) is the probability of selecting a blue marble and p(a and b) is the probability of selecting a blue marble and a red marble. p(a and b) is different than p(b|a), the conditional probability of selecting a red marble, when a blue marble has already been selected. report as a decimal rounded to 2 decimal places, not a percent.

Flashback to semester a. are triangles pqr and stu congruent? what is the congruency that proves they are congruent? what is the perimeter of triangle pqr? show your work.

Wanna brainliest? ! ms. mcmahon is building a shed as shown. what is the measure of the angle at the top of the shed? a) 126 b )116 c) 64 d) 32

You and three friends will be going out to eat at your favorite restaurant! each of you will order three items of your choice. you will also need to leave a tip. if you split the bill evenly among all four of you, how much will each person need to contribute? locate a menu for your favorite restaurant and pick three items for yourself and each friend. list the restaurant name, items, and prices in a table like the one below. in the column labeled subtotal, determine the cost of each person’s order. the customary tip is 20% of the total bill. in the column labeled tip, calculate the amount of tip each person should leave. in the column labeled total bill, determine the total of each person’s order, including the tip. restaurant name: names item 1 price item 2 price item 3 price subtotal tip total bill your name friend #1 friend #2 friend #3 part 2: questions answer the following questions, showing all work: what is the total cost of the entire bill (all four meals), including tip? write an expression using fractions to show how to determine the amount that each person will pay. then calculate each person's contributions showing all steps in long division. if each person paid an equal amount, who would save the most money? explain your reasoning using at least two complete sentences.