10 stat questions

Using the standard normal distribution table, compute the following probabilities:

P( Z ≥ 1.82)

1).4938

2).0344

3).4641

4).0062

Using the standard normal distribution table, compute the following probabilities:

P(Z ≤ 1.5) is:

1).9599

2).9938

3).8750

4).9332

Using the standard normal distribution table, compute the following probabilities:

P(1.34 ≤ Z ≤ 2.72) is:

1).0309

2).0476

3).8746

4).0868

Using the standard normal distribution table, compute the following probabilities:

P(Z ≤ 0) is:

The IQs in a particular college are normally distributed with mean μ = 125 and standard deviation σ = 10. Determine the percentage of student with IQs.

Below 115

The IQs in a particular college are normally distributed with mean μ = 125 and standard deviation σ = 10. Determine the percentage of student with IQs.

Above 125

The IQs in a particular college are normally distributed with mean μ = 125 and standard deviation σ = 10. Determine the percentage of student with IQs.

Between 123 and 130

The IQs in a particular college are normally distributed with mean μ = 125 and standard deviation σ = 10. Determine the percentage of student with IQs.

Between 125 and 135

Use the normal distribution table to find Z0 for which:

P(Z ≤ Z0) = .9192 thus Z0 is:

Use the normal distribution table to find Z0 for which:

P(-Z0 ≤ Z ≤ Z0) = .9844 thus ± Z0 is: