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Homework: Online assignmnet #8 Normal approximation to the Score: 0 of 1 pt 4 5 of 11 (11 complete)v ) HW Score: 82.73%, 9.1 of 11 pts 6..69-T Question Help V 'a- Use a normal approximation to nd the probability of the indicated number of voters. In this case, assume that 161 eligible voters aged 18-24 are randomly selected. Suppose a previous study showed that among eligible voters aged 18-24, 22% of them voted. Probability that fewer than 40 voted The probability that fewer than 40 of 161 eligible voters voted is D. (Round to four decimal places as needed.) Homework: Online Assignment #48 (chapter 6) Score: 0 of 1 pt 4 8 of 18 (18 complete) v > Hw Score: 87.96%, 15.83 of 18 pts 6,21 1 Question Help V ' Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean Q of 100 and a standard deviation of 15. Click to view p_age 1 of the table. Click to View [age 2 of the table. Q IZ' 0.9 The indicated IQ score, x, is El. (Round to one decimal place as needed.) Homework: Online Assignment # 4A Normal /Continuous distribu- Score: 0 of 1 pt 4 13 of 31 (31 complete) 7 p Hw Score: 80.16%, 24.85 of 31 pts (8) 6.2.31 Question Help V a The lengths of pregnancies are normally distributed with a mean of 267 days and a standard deviation of 15 days. 3. Find the probability of a pregnancy lasting 309 days or longer. b. If the length of pregnancy is in the lowest 4%, then the baby is premature. Find the length that separates premature babies from those who are not premature. Click to view page 1 of the table. Click to view page 2 of the table. a. The probability that a pregnancy will last 309 days or longer is :|. (Round to four decimal places as needed.) 0 Standard Normal Table (Page 1) 0 Standard Normal Table (Page 2) Q NEGATIVE 2 Scores Standard Normal (2) Distribution: Cumul .01 POSITIVE 2 Score .02 .03 .04 .5000 .5040 .5080 .5120 .5160 .5199 .5239 .5279 .5319 .53 .5398 .5438 5478 5517 .5557 .5596 .5636 .5675 .5714 .57 .5793 .5632 .5671 .5910 .5948 .5967 .6026 6064 .6103 .6 .6179 .6217 .6255 .QQS .6331 .6368 .6406 .6443 5430 65; .6554 6591 .6628 .6664 .6700 .6736 .6772 .6808 6844 .68 .6915 .6950 .6985 .7019 .7054 .7088 .7123 .7157 .7190 . .7257 7291 .7324 .7357 .7385 .7422 .7454 7486 .7517 :3 .7580 .7611 .7642 .7673 .7704 .7734 .7764 .7794 .7823 .7881 7910 .7939 .7967 .7995 .8023 .8051 8078 .8106 :33 .3159 m '7') \"n .254 mg ISIS nun 135$ Homework: Online Assignment # 4A Normal /Continuous distribu- Score: 0 of 1 pt 4 b HW Score: 80.16%, 24.85 of 31 pts 6.2.9 Question Help V a Find the indicated to score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean Q of 100 and a standard deviation of 15. Q Click to view page 1 of the table. Click to view page 2 of the table. IL.\" 0.75 The indicated IQ score, x, is . (Round to one decimal place as needed.) Homework: Online Assignment #1 (chapter 4) Save Score: 0 of 1 pt 51 of 64 (64 complete) HW Score: 93.23%, 59.67 of 64 pts 4.4.17 Question Help Winning the jackpot in a particular lottery requires that you select the correct four numbers between 1 and 25 and, in a separate drawing, you must also select the correct single number between 1 and 22. Find the probability of winning the jackpot. The probability of winning the jackpot is 1915305 (Type an integer or simplified fraction.)Homework: Online Assignment #1 (chapter 4) Save Score: 0 of 1 pt 50 of 64 (64 complete) HW Score: 93.23%, 59.67 of 64 pts X 4.4.17 Question Help Winning the jackpot in a particular lottery requires that you select the correct five numbers between 1 and 42 and, in a separate drawing, you must also select the correct single number between 1 and 51. Find the probability of winning the jackpot. The probability of winning the jackpot is (Type an integer or simplified fraction.)
