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10/10/2019 Unit 2 Exam https://primaverahs.strongmind.com/courses/5877/assignments/1066874?module_item_id=2826291 1/1 Milly has to make a decision about her health insurance. Under one plan, the monthly cost of insurance is , but if she visits a doctor, she has to pay for an o�ce visit. Milly estimates that she has a probability of needing to visit a doctor in any given month. What is the expected monthly value of this plan for Milly? Question 1 of 20 Your progress has been Progress saved $25 $5 0.25 25(0.75) + 5(0.25) = $20.00 25(0.75) + 30(0.25) = $26.25 (25 + 5)(0.75 + 0.25) = $30.00 (25 + 5)(0 25) = $7 50 Exam 2 Click on the numbers to jump from one question to another. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 10/10/2019 Unit 2 Exam https://primaverahs.strongmind.com/courses/5877/assignments/1066874?module_item_id=2826291 1/1 There are jelly beans in a bag: are red, are green, are blue, and the rest are yellow. Miguel reaches into the bag and randomly pulls out a single jelly bean. He shows his friends the jelly bean, places it back in the bag, mixes the jelly beans, and then draws another one. Consider the following events, and then answer the question. : Miguel draws a red jelly bean in the �rst draw. : Miguel draws a blue jelly bean in the second draw. Which friend correctly calculated ? Alejandro calculated . Esteban calculated . Jose calculated Question 2 of 20 Your progress has been Progress saved 40 12 11 4 A B P (A ∩ B) P (A ∩ B) = P (A) + P (B) = + =12 40 4 40 2 5 (A ∩ B) = P (A) ⋅ P (B) = ⋅ =12 40 4 40 3 100 P (A ∩ B) = P (A) + P (B) − P (A ∩ B) = + − =12 4 1 3 Exam 2 Click on the numbers to jump from one question to another. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 10/10/2019 Unit 2 Exam https://primaverahs.strongmind.com/courses/5877/assignments/1066874?module_item_id=2826291 1/1 Starla has a box that contains equally sized slips of colored paper. Each slip has a shape drawn on it. Of the slips of blue paper, have a circle and have a square. Of the slips of red paper, have a circle and have a square. Of the slips of yellow paper, have a circle and have a square. Of the slips of purple paper, have a circle and have a square. Starla will reach into the box and randomly draw one slip of paper. She wants to determine the probability that the paper she draws will be yellow or have a circle on it. She should use the _[blank 1]_ formula because these events are _[blank 2]_. When calculated correctly, the probability is _[blank 3]_. Match each blank with the formula, word, or value that correctly �lls in that blank in the previous paragraph. blank 3 blank 2 blank 1 Question 3 of 20 Saving... 40 10 5 5 10 3 7 10 8 2 10 6 4 45 overlapping P (A ∪ B) = P (A) ⋅ P (B|A) Exam 2 Click on the num question to anot 1 2 6 7 11 12 16 17 10/10/2019 Unit 2 Exam https://primaverahs.strongmind.com/courses/5877/assignments/1066874?module_item_id=2826291 1/1 A six-sided die has two sides numbered with a , three sides numbered with a , and one side that is blank ( ). What is the expected value of a die roll with this die? Enter your answer as a number, rounded to two decimal places, if necessary, like this: 42.53 Question 4 of 20 Saving... 1 2 0 Exam 2 Click on the numbers to jump from one question to another. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 10/10/2019 Unit 2 Exam https://primaverahs.strongmind.com/courses/5877/assignments/1066874?module_item_id=2826291 1/1 Elibri has a spinner like the one that follows, where of the spinner is red, is blue, and is yellow. © 2017 FlipSwitch. Created using GeoGebra. Elibri earns points every time she spins a blue or yellow space, and she earns points every time she spins a red space. What is the expected value of Question 5 of 20 Your progress has been Progress saved 3 5 1 5 1 5 15 5 Exam 2 Click on the numbers to jump from on question to another. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20