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3. [0/1 Points] DETAILS PREVIOUS ANSWERS WANEFMAC7 9.2.007. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER You are performing 7 independent Bernoulli trials with p = 0.4 and q = 0.6. Calculate the probability of the stated outcome. Check your answer using technology. (Round your answer to five decimal places.) At most two successes P(X S 2) = 0.26127 X7. [0511 Points] DETAILS PREVIOUS ANSWERS WANEFMAC? 9.1.029.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER 2010 Income Distribution up to $100,000 The following table shows the distribution of household incomes in 2010 for a sample of 1,000 households in a country with incomes up to $100,000. _ Income 0 20,900 40,000 mm) 19,999 39,999 59,999 (a) Let X be the (rounded) midpoint of a bracket in which a household falls. Find the relative frequencv distribution of X, and graph its histogram. (D (b) Shade the area of your histogram corresponding to the probability that a randomly selected household in the sample has a value of X above 50,000. What is this probability? 13mm X 12. [-/1 Points] DETAILS WANEFMAC7 9.1.039. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER To persuade his parents to contribute to his new car fund, Carmine has spent the last week surveying the ages of 2,000 cars on campus. His findings are reflected in the following frequency table. Age of Car 0 1 2 3 4 5 6 7 8 9 (years) 10 Number 140 350 450 650 200 120 50 of Cars 15 5 15 5 Carmine's jalopy is 6 years old. He would like to make the following claim to his parents: "x percent of students have cars newer than mine." Use a relative frequency distribution to find x. X = %6. [l1 Points] DETAILS WANEFMAC7 9.2.013. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER In the exercise, X is a binomial variable with n = If and p = 0.1. Compute the given probability. Check your answer using technology. HINT [See Example 2.] (Round your answer to five decimal places.) P(X s 2) :1 _ l=l