Answer:
What do you want to know
Step-by-step explanation:
Please tell me so I can help you!! :)
Answer:The value of the z-score tells you how many standard deviations you are away from the mean. ... A positive z-score indicates the raw score is higher than the mean average. For example, if a z-score is equal to +1, it is 1 standard deviation above the mean. A negative z-score reveals the raw score is below the mean average.
Step-by-step explanation:
You have to find the percentage of calculators that are defective. to do this you do 6/900. Which equals 0.006666, you convert it to a percent by moving the decimal point 2 to the right which is 0.6666%, then you round to the nearest tenth as instructed in the question and you get 0.6%
Answer:
d. x = 9 / (a + b) a ≠ -b.
Step-by-step explanation:
ax + bx - 1 = 8
x(a + b) - 1 = 8
x(a + b) = 9
x = 9 / (a + b) a ≠ -b.
