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You may need to use the appropriate appendix table or technology to answer this question. LSAT test scores are normally distributed with a mean of 149 and a standard deviation of 6. Find the probability that a randomly chosen test-taker will score between 1.31 and 167. (Round your answer to four decimal places.) :| 416.66 Points] WAN EFMAC? 9.5.033. You may need to use the appropriate appendix table or technology to answer this question. IQ scores (as measured by the Stanford-Binet intelligence test) in a certain country are normally distributed with a mean of 90 and a standard deviation of 18. Find the approximate number of people in the country (assuming a total population of 323,000,000) with an IQ higher than 126. (Round your answer to the nearest hundred thousand.) 416.7 Points] WANEFMAC7 9.5.019. You may need to use the appropriate appendix table or technology to answer this question. Suppose X is a normal random variable with mean pi = 90 and standard deviation 0 = 10. Find [7 such that P(90 S X S b) = 0.3. (Round your answer to one decimal place.)