Answer:
C
Step-by-step explanation:
The key word is x-axis, and since the bottom line is the x, just look for a reflection of it.
Answer:
(78, 80)
Step-by-step explanation:
Given a normal distribution :
Mean = 79 seconds
Standard deviation = 0.5 seconds
Using the empirical rule :
95% of her finishing times :
According to the empirical rule, 95% represents 2 standard deviations from the mean that is ± 2 standard deviations from the mean score or value.
Hence ;
The interval will be defined as ;
Mean ± 2(standard deviation)
79 ± 2(0.5)
79 ± 1
(79 - 1) ; (79 + 1)
78 ; 80
Answer:
I think the answer is C 72 grams
Step-by-step explanation:
9x+18+3=1
11x+18=1
11x=-17
17/11 I don't have a calculator
