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Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
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starkidnotyap starkidnotyap
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6 years ago
The value of z(0.80) + z(0.20) is
 a. 1.0.
  b. 0.6.
  c. 0.0.
  d. None of the above.

Q. 2

If the random variable z is the standard normal distribution, then z(0.75) is equal to
 a. P25 for the distribution.
  b. P50 for the distribution.
  c. P75 for the distribution.
  d. 0.2734.

Q. 3

If the random variable z is the standard normal score, then z(0.2324) is equal to
 a. + 0.6324.
  b. + 0.7324.
  c.  z (0.7676) .
  d.  z (0.2324).

Q. 4

If the random variable z is the standard normal score, then z(0.2611) is equal to
 a. + z (0.2389).
  b. + z (0.7611).
  c.  z (0.7389) .
  d.  z (0.1026) .

Q. 5

What is the value for z(0.67)?
 a. +0.67
  b. 0.44
  c. 0.2486
  d. 0.17

Q. 6

The middle 0.90 of the standard normal distribution is bounded by -1.96 and 1.96 .
  Indicate whether the statement is true or false

Q. 7

In the notation z(0.05), the number in parentheses is the measure of the area to the left of the z-score.
  Indicate whether the statement is true or false
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dfasdfadfasdfa
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Posts: 339
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6 years ago
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starkidnotyap Author
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6 years ago
Thanks for your help!!
annakc
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Yesterday
You make an excellent tutor!
emilyas19
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2 hours ago
This helped my grade so much Perfect
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