
Mark M. answered 04/17/21
Mathematics Teacher - NCLB Highly Qualified
z = (148 - 155) / 7
z = -7 / 7
z = -1
Now find value of z-table.
Maryam T.
asked 04/17/21You may need to use the appropriate appendix table or technology to answer this question.
LSAT test scores are normally distributed with a mean of 155 and a standard deviation of 7. Find the probability that a randomly chosen test-taker will score 148 or lower. (Round your answer to four decimal places.)
Mark M. answered 04/17/21
Mathematics Teacher - NCLB Highly Qualified
z = (148 - 155) / 7
z = -7 / 7
z = -1
Now find value of z-table.
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