Score: 0710 0/ 10 answered Question 8 0/1 pt 9 3 2 The number of ants per acre in the forest is normally distributed with mean 45,000 and standard deviation 12, 139. Let X = number of ants in a randomly selected acre of the forest. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X ~ N( b. Find the probability that a randomly selected acre in the forest has fewer than 43,898 ants. c. Find the probability that a randomly selected acre has between 46,740 and 61, 457 ants. d. Find the first quartile. ants (round your answer to a whole number) Hint : Helpful videos: Find a Probability ? [+] Finding a Value Given a Probability # [+] Hint Question Help: Message instructor w Sno... ~ 9 4 50(1 2/3 prt sc delete home 10 DDI 8 19 144 6 num backspace lock & O P R T F G HScore: 0710 07 10 answered Question 9 0/1 pt The average student loan debt for college graduates is $25, 400. Suppose that that distribution is normal and that the standard deviation is $11,700. Let X - the student loan debt of a randomly selected college graduate. Round all probabilities to 4 decimal places and all dollar answers to the nearest dollar. a. What is the distribution of X? X ~ N( b Find the probability that the college graduate has between $15,300 and $20,900 in student loan debt. c. The middle 30% of college graduates' loan debt lies between what two numbers? Low: $ High: 5 Hint: Helpful videos: . Find a Probability @ [+] Finding a Value Given a Probability = [+] Hint W O prt sc delete 112 10 DDI 19 144 8 16 0 & O % 5 O R TScore: 0710 0710 answered Question 10 0/1 pt According to a study done by UCB students, the height for Martian adult males is normally distributed with an average of 64 inches and a standard deviation of 2.4 inches. Suppose one Martian adult male is randomly chosen. Let X = height of the individual. Round all answers to 4 decimal places where possible. a. What is the distribution of X? X - N( D. Find the probability that the person is between 59.8 and 61 inches. c. The middle 30% of Martian heights lie between what two numbers? Low: inches High: inches Hint: Helpful videos: Find a Probability @ [+] Finding a Value Given a Probability @ [-] Hint Question Help: M Message W Sno. O delete $12 mort sc DDI 19 144 f7 & 8 % 5 O P