100 is the correct answer to your question
Answer:
Step-by-step explanation:
64
Answer:
Standard deviation 46.3
Step-by-step explanation:
A 28% of the distribution is equivalent to a z score of -0.5828, you can use a z table to find that.
Z score is calculated as follows:
x is the number being evaluated
μ is the mean
σ is the standard deviation
And it is used to calculate how many standard deviations you are from the mean of the sample.
Replacing with the known information you can calculate the standard deviation:
Answer: 76
Step-by-step explanation:
Answer:
0
Step-by-step explanation:
Distribute:
=(6)(3x)+(6)(−5)+(2)(3x)+(2)(−5)+(−8)(3x)+(−8)(−5)
=18x+−30+6x+−10+−24x+40
Combine Like Terms:
=18x+−30+6x+−10+−24x+40
=(18x+6x+−24x)+(−30+−10+40)
=0