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Members of the Senate took a battery of tests to assess their abilities. In the Talking As If You Are Saying Something Test, the average score was 40 with a standard deviation of 5. In the Be Sincere Even If You Don't Mean It Test, the average score was 80 with a standard deviation of 10.

a. What is the probability that one of the senators earned a score of less than 90 on the Be Sincere Even If You Don't Mean It Test?

b. What is the probability that one of the senators earned more than a score of 43 on the Talking As If You Are Saying Something Test?

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