Question

Question 1

If your raw quiz score converted to a z score of +.49, what percentage of your fellow classmates would have a score HIGHER and LOWER than you?

Please have your Unit Normal (z-score) Table out in front of you.

Keep in mind the following concepts:
proportions are just like percentages (just one is a decimal and one is %)
the difference between "bodies" and "tails"
drawing the normal distribution out helps see everything a bit better
pay attention to the sign (- or +)

a) 68.79%, 31.21%

b) 84.13, 15.87%

c) 31.21%, 68.79%

d) 99.13, .87%

Question 2

If your raw quiz score converted to a z score of -.49, what percentage of your fellow classmates would have a score HIGHER and LOWER than you?

Please have your Unit Normal (z-score) Table out in front of you.

Keep in mind the following concepts:
proportions are just like percentages (just one is a decimal and one is %)
the difference between "bodies" and "tails"
drawing the normal distribution out helps see everything a bit better
pay attention to the sign (- or +)

a) 93.19%, 6.81%

b) 68.79%, 31.21%

c) 31.21%, 68.79%

d) 69.15%, 30.85%

Question 3

If your raw quiz score converted to a z score of +1.25, what percentage of your fellow classmates would have a score HIGHER and LOWER than you?

Please have your Unit Normal (z-score) Table out in front of you.

Keep in mind the following concepts:
proportions are just like percentages (just one is a decimal and one is %)
the difference between "bodies" and "tails"
drawing the normal distribution out helps see everything a bit better
pay attention to the sign (- or +)

a) 78.81%, 21.19%

b) 89.44%, 10.56%

c) 10.56%, 89.44%

d) 12.92%, 87.08%

Question 4

If your raw quiz score converted to a z score of -1.85, what percentage of your fellow classmates would have a score HIGHER and LOWER than you?

Please have your Unit Normal (z-score) Table out in front of you.

Keep in mind the following concepts:
proportions are just like percentages (just one is a decimal and one is %) the difference between "bodies" and "tails" drawing the normal distribution out helps see everything a bit better. Pay attention to the sign (- or +).

a) 99.06%, .94%

b) 3.22%, 96.78%

c) 72.57%, 27.43%

d) 96.78%, 3.22%

Question 5

If your raw quiz score converted to a z score of -.90 what percentage of your fellow classmates would have a score HIGHER and LOWER than you?

Please have your Unit Normal (z-score) Table out in front of you.

Keep in mind the following concepts:
proportions are just like percentages (just one is a decimal and one is %)
the difference between "bodies" and "tails"
drawing the normal distribution out helps see everything a bit better
pay attention to the sign (- or +)

a) 18.41%, 81.59

b) 81.59%, 18.41%

c) 73.89%, 26.11%

d) 97.72%, 2.28%

Answer 1