K An empirical probability distribution based on weekly study times for a sample of 40 students...

 

 

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K An empirical probability distribution based on weekly study times for a sample of 40 students is provided to the right. Suppose one of those students was chosen randomly. In parts (a) through (d) below, using your distribution, find the probability that the study time in the past week for the student selected would have been in each of the following ranges. (a) 30-39 hours (Type an integer or a decimal.) Class Limits Frequency Relative f Frequency 10-19 13 0.325 20-29 4 0.100 30-39 7 0.175 40-49 0.225 50-59 4 0.100 60-69 70-79 12 0.025 0.050 Total: n = 40 K An empirical probability distribution based on weekly study times for a sample of 40 students is provided to the right. Suppose one of those students was chosen randomly. In parts (a) through (d) below, using your distribution, find the probability that the study time in the past week for the student selected would have been in each of the following ranges. (a) 30-39 hours (Type an integer or a decimal.) Class Limits Frequency Relative f Frequency 10-19 13 0.325 20-29 4 0.100 30-39 7 0.175 40-49 0.225 50-59 4 0.100 60-69 70-79 12 0.025 0.050 Total: n = 40