A company makes electronic components for TV's. 0% pass final inspection. 110 components are inspected in one day. What is the expected value of the number that fails inspection in one day? O a. 110 O b. 0 O c. 11 O d. 100%
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- A bag contains 30 mars bars and 20 snickers. You reach in the bag and randomly select a bunch of chocolates bars. How many chocolate bars should you pick from the bag in order for the expected number of mars you get will be 6? 07 10 8. 6. SAMSUNG DII & % 7 5Q9 Abdi takes an exam. 20 questions. P=0.88. Pass if more that half. Given pass whats the chance of 100%A hospital director is told that 54 % of the treated patients are insured. The director wants to test the claim that the percentage of insured patients is less than the expected percentage. A sample of 280 patients found that 140 were insured. Find the value of the test statistic. Round your answer to two decimal places. Answer How to enter your answer (opens in new window) Keypad Keyboard Shortcuts Tables
- What is the probability of flipping a coin 12 times and getting heads 4 times? Round your answer to the nearest tenth of a percent. O A. 6.3% O B. 19.3% C. 12.1% D. 5.4%The student council is hosting a drawing to raise money for scholarships. They are selling tickets for $6 each and will sell 900 tickets. There is one $1,000 grand prize, three $500 second prizes, and fifteen $30 third prizes. You just bought a ticket. Find the expected value for your profit. Round to the nearest cent. Question Help: Written Example > Next Question %23 44 F1 19 23 14 F6 F7 F10 %23 24 &. 2 4. 8. 9. Q Y U A S D K Z V M option command .. •- JI B w/What's the t= ? And the p-value?
- Eye Color f % Amber 5 4.81% Blue 8 7.69% Brown 82 78.85% Gray 3 2.88% Green 2 1.92% Hazel 3 2.88% Red/Violet 1 0.96% Total 104 100.00% Comment on your findingA class of students took a test. The instructor said that the 75th percentile score was 90 out of 100. What does this mean? A. 90% of the students scored 75 or more on the test. B. 75% of the students scored 90 or more on the test. C. 25% of the students scored 90 or more on the test. D. The high score in the class was (.75)(90).Ink Replay Replay 3. A survey taker randomly approached 344 individuals in the mall, hoping to ask some survey questions. Only 206 people agreed to participate. They were asked (1) their sex; (2) whether or not they exercise. The results are below. Men Women Do not exercise 16, 31.4% Do not exercise 48, 31.0% Exercise 35, 686% Exerci se" 107 690% What proportion of the men exercise? -68.6% What proportion of the women exercise? -69.0% Do the two variables (sex and whether or not someone exercises) seem to be associated? Explain. What proportion of those who exercise were women? What proportion of those who exercise were men? Do your answers d. and e. make you rethink your response to c.? Explain. Is it misleading that the two pies are the same size? Explain. D Focus
- What is the probability of flipping a coin 11 times and getting heads 3 times? Round your answer to the nearest tenth of a percent. OA. 0.5 % B. 22.6% C. 16.1% D. 8.1%* 00 Question 5 The table summarizes results from 982 pedestrian deaths that were caused by automobile accidents. Driver Pedestrian Intoxicated? Intoxicated? NO. 78 Yes Yes 53 216 635 If one of the pedestrian deaths is randomly selected, find the probability that the driver was not intoxicated but the pedestrian was. Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol. %3D = qod Submit Question MacBook Air 08 F3 Q F2 F4 F5 9 1 $ 4 2 % 9 R M A S H 9 × :Σ B > 口 Question 1 In brand recognition study, 913 consumers knew of Gap, and 33 did not. Use these results to estimate the probability that a randomly selected consumer will recognize Gap. Report the answer as a percent rounded to one decimal place accuracy. You need not enter the "%" symbol. %3D = qojd Submit Question MacBook Air DD F6 08 F3 F5 F4 % $ 8. # 9 2 R M G H S > command