Applications with Standard Normal Distribution Answers
0 verified answers
3
If a data value in a normal distribution has a negative z-score, which of the following must be true?
A
The data value must be negative.B
The data value must be positive.C
The data value must be less than the mean.D
The data value must be greater than the mean.4
For a standard normal distribution, if , what is the value of ?
A
0.2116B
0.2884C
0.7116D
0.7884
6
Which of the following probabilities is equal to approximately 0.2957? Use the portion of the standard normal table below to help answer the question.zProbability0.000.50000.250.59870.500.69150.750.77341.000.84131.250.89441.500.93321.750.9599
A
P (negative 1.25 less-than-or-equal-to z less-than-or-equal-to 0.25)
B
P (negative 1.25 less-than-or-equal-to z less-than-or-equal-to 0.75)
C
P (0.25 less-than-or-equal-to z less-than-or-equal-to 1.25)
D
P (0.75 less-than-or-equal-to z less-than-or-equal-to 1.25)
8
Which of the following statements is equivalent to ?
A
P (z greater-than-or-equal-to negative 1.7)
B
1 minus P (z greater-than-or-equal-to negative 1.7)
C
P (z less-than-or-equal-to 1.7)
D
1 minus P (z less-than-or-equal-to 1.7)
Did you find these answers helpful?
🔥100% accurate
TRY EDGENUITY HACKS
- Auto Complete Exams
- Auto Complete Assignments
- Skip Videos Instantly
50,000+ students using this