Score data from a statewide exam for 10th-graders follows a normal distribution, has a mean of 77, and has a standard deviation
of 6.5.
According to the Empirical Rule, 34% of test scores fall into what range? Select all that apply.
Below 70.5
Below 70.5 and above 83.5
Between 70.5 and 77
Below 77
Between 77 and 83.5
Above 77
Above 83.5
1 answer:
Answer:
Below 70.5 because of the 68, 95, and 97.5 rule
Step-by-step explanation:
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100%-20%=80%
80/100=0.8
64/0.8=80
$80
Hope this helps :)
Answer: 95 minutes
Step-by-step explanation: 205-110=95
Answer: Marvin will earn $10,681.77 more in interest than Luis
Step-by-step explanation: A = P(I+r)t
10.77(0.07) + 10.77 = $11.52
2.09(0.07) + 2.09 = $2.24
0.75(0.07) + 0.75 = $0.80
Add all of these up, and you get your total of A.) $14.56
Y=40x + 225
Because x is your per hour cost.
