The mean length of time to complete a marathon is 4.82 hours with a standard deviation of 1.85 hours. If you randomly select 100 people, what are the following probabilities? 14. That the mean time is less than 5 hours? A. 0.1653 B. 0.4612 C. 0.5388 D. 0.8347

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Please answer #14
of candy canes on a Christmas tree is normally distributed with a mean of 15 ond
PoC
standard deviation of 3.
9.
what is the probability that a randomly selected Christmas tree has less than 20 candy canes?
0.0478
D. 0.8376
B. 0.9522
C. 0,5843
20. What is the probability that a randomly selected Christmas tree has more than 16 candy canes?
A. 0.2346
60.3694
B. 0.6306
C. 0.7654
11. IT there were 300 Christmas trees, how many would you expect to have more than 16 candy canes on them?
А. 70
B 111
C. 189
D. 230
12. What is the probability that a randomly selected Christmas tree has between 11 and 17 candy canes?
A.
0.3862
B. 0.5482
0.6563
D. 0.8744
13. What is the number of candy canes on a Christmas tree that represents the 20tn percentile?
А.
11.86
В.) 12.48
C. 16.23
D. 17.52
The mean length of time to complete a marathon is 4.82 hours with a standard deviation of 1.85 hours. If you
randomly select 100 people, what are the following probabilities?
14. That the mean time is less than 5 hours?
A. 0.1653
B. 0.4612
C. 0.5388
D. 0.8347
15. That the mean time is between 4.5 and 4.9 hours?
A. 0.3746
B. 0.6254
C. 0.3792
D. 0.9024
Transcribed Image Text:of candy canes on a Christmas tree is normally distributed with a mean of 15 ond PoC standard deviation of 3. 9. what is the probability that a randomly selected Christmas tree has less than 20 candy canes? 0.0478 D. 0.8376 B. 0.9522 C. 0,5843 20. What is the probability that a randomly selected Christmas tree has more than 16 candy canes? A. 0.2346 60.3694 B. 0.6306 C. 0.7654 11. IT there were 300 Christmas trees, how many would you expect to have more than 16 candy canes on them? А. 70 B 111 C. 189 D. 230 12. What is the probability that a randomly selected Christmas tree has between 11 and 17 candy canes? A. 0.3862 B. 0.5482 0.6563 D. 0.8744 13. What is the number of candy canes on a Christmas tree that represents the 20tn percentile? А. 11.86 В.) 12.48 C. 16.23 D. 17.52 The mean length of time to complete a marathon is 4.82 hours with a standard deviation of 1.85 hours. If you randomly select 100 people, what are the following probabilities? 14. That the mean time is less than 5 hours? A. 0.1653 B. 0.4612 C. 0.5388 D. 0.8347 15. That the mean time is between 4.5 and 4.9 hours? A. 0.3746 B. 0.6254 C. 0.3792 D. 0.9024
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