Response:
15
Step-by-step explanation:
To determine the number of classes, subtract 10 from 146 which leaves you with 136. Dividing 136 by 9 results in approximately 15.1 repeating, but since classes cannot be a fraction, the answer rounds down to 15.
Response:
477
Detailed explanation:
Provided information:
Number of trials (n) = 500
Mean (m) = 0
Standard deviation (s) = 1
how many readings fall within +/- 2.000 deg F of the mean value
Mean of 0 and standard deviation of 1
P(-2 ≤ x ≤ 2)
Utilizing the Z probability calculator:
P(x ≤ 2) = 0.97725;
P(x ≤ - 2) = 0.02275
Thus:
P(x ≤ 2) - P(x ≤ - 2) = 0.97725 - 0.02275 = 0.9545
Accordingly, number of readings in 500 trials:
0.9545 multiplied by 500 equals 477.25
≈ 477 values
La familia Freeman:
13 c/kWh (400 kWh) + 2 c/kWh (400 kWh) + 14.5 c/kWh) 450 kWh
= 6464.5 c
6464.5 c x 30 = 193935
La familia Baum:
8.5 (400) + 12 (400) + 14.5 (450)
= 14725 c
<span>La familia Freeman tiene un costo de $260.83 más que la familia Baum.
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Wanda encounters Hector after 4.5 hours. Wanda will not be able to reach Hector before the end of the race because at his current pace (16m/h), he would finish when both reach mile 72, while the race is only 42 miles.
To catch up with Hector at the finish line, Wanda must raise her speed to 21m/h. I have included the answers.
