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  3. 1- find the z-score for which 70% of the d

1- Find the z-score for which 70% of the distribution's area lies to its right. A. - 0.98 B....

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Question

Statistics

1-

Find the z-score for which 70% of the distribution's area liesto its right.

A. - 0.98

B. - 0.47

C. - 0.81

D. - 0.53

2-

Find the z-scores for which 98% of the distribution's area liesbetween - z and z.

A. (- 2.33,2.33)

B.( - 1.645,1.645)

C.( - 0.99,0.99)

D.(- 1.96,1.96)

3- Assume that the heights of women are normally distributedwith a mean of 62.4 inches and a standard deviation of 2.5 inches.Find Q 3, the third quartile that separates the bottom 75% from thetop 25%.

A. 60.7

B. 65.6

C. 65.3

D.64.1

Answer & Explanation Solved by verified expert
4.3 Ratings (576 Votes)
To find the Z score we use the Z table shown    See Answer
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