Question

In a standard normal distribution, the probability that Z is less than zero is Multiple Choice...

In a standard normal distribution, the probability that Z is less than zero is

Multiple Choice

  • -0.5

  • 0.0

  • 0.5

  • 1.0

For the standard normal probability distribution, the total area under the curve is

Multiple Choice

  • 0.0

  • 0.5

  • 1.0

  • 3.0

The random variable x is known to be uniformly distributed between 50 and 100. The probability of x having a value between 70 to 95 is

Multiple Choice

  • .25

  • .50

  • .75

  • 1.00

x is a normally distributed random variable with a mean of 24 and a standard deviation of 6. The probability that x is smaller than 12 is

Multiple Choice

  • .0228.

  • .0076

  • .9772

  • .9824

x is a normally distributed random variable with a mean of 10 and a standard deviation of 2. The probability that x is greater than 12 is

Multiple Choice

  • 0.1587

  • 0.4602

  • 0.5398

  • 0.8413

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