need help from anyone who is good at statistics! thank you

automatically. Updat 6. -/10 POINTS WANEFMAC7 9.5.029. LSAT test scores are normally distributed with a mean of 151 and a standard deviation of 6. Find the probability that a randomly chosen test-taker will score between 145 and 169. (Round your answer to four decimal places.) Need Help? Read It Talk to a Tutor 7. -/10 POINTS WANEFMAC7 9.5.030. MY NOTES ASK YOUR TEACHER LSAT test scores are normally distributed with a mean of 150 and a standard deviation of 9. Find the probability that a randomly chosen test-taker will score 141 or lower. (Round your answer to four decimal places.) Need Help? Read It Watch It Talk to a Tutor 8. -19 POINTS WANEFMAC7 9.5.041. MY NOTES ASK YOUR TEACHER If we model after-tax household income with a normal distribution, then the figures of a study imply the information in the following table. Assume that the distribution of incomes in each country is normal. Country United States| Canada Switzerland| Germany Sweden Mean Household $32,000 $13,000 $39,000 $31,000 $23,000 Income Standard viation $12,000 $38,000 $30,000 $32,000 $21,000 What percentage of U.S. households had an income of $45,000 or more? (Round your answer to the nearest percent.) %