Table 2.1 shows the classification of 50 students according to their gender and their time spent on watching Netfree in a week during semester break. Table 2.1 Time spent on watching Netfree At least 25 hours (N) Less than 25 hours (L) Male (M) Female (F) 15 8 10 17 Calculate the probability that a randomly selected student is a female or spent less than 25 hours on watching Netfree. (i) (ii) Find the probability that a randomly selected male student spent at least 25 hours on watching Netfree. Two students are randomly selected from the 50 students without replacement. Find the probability that at least one ofthem spent less than 25 hours on watching Netfree. (iii)
Table 2.1 shows the classification of 50 students according to their gender and their time spent on watching Netfree in a week during semester break. Table 2.1 Time spent on watching Netfree At least 25 hours (N) Less than 25 hours (L) Male (M) Female (F) 15 8 10 17 Calculate the probability that a randomly selected student is a female or spent less than 25 hours on watching Netfree. (i) (ii) Find the probability that a randomly selected male student spent at least 25 hours on watching Netfree. Two students are randomly selected from the 50 students without replacement. Find the probability that at least one ofthem spent less than 25 hours on watching Netfree. (iii)
A First Course in Probability (10th Edition)
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Chapter1: Combinatorial Analysis
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please provide thorough explanation for each question and correct answers...........
![(b)
Table 2.1 shows the classification of 50 students according to their gender and
their time spent on watching Netfree in a week during semester break.
Table 2.1
Time spent on watching Netfree
At least 25 hours (N)
Less than 25 hours (L)
Male (M)
Female (F)
15
8
10
17
Calculate the probability that a randomly selected student is a female or
spent less than 25 hours on watching Netfree.
(i)
(ii)
Find the probability that a randomly selected male student spent at least
25 hours on watching Netfree.
Two students are randomly selected from the 50 students without
replacement. Find the probability that at least one ofthem spent less than
25 hours on watching Netfree.
(iii)](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd4f4e5df-c589-41da-9116-8e6da188aee7%2Fce7d0e2d-2be4-4f43-9006-8aa910bc51a8%2Fksfcb5p_processed.jpeg&w=3840&q=75)
Transcribed Image Text:(b)
Table 2.1 shows the classification of 50 students according to their gender and
their time spent on watching Netfree in a week during semester break.
Table 2.1
Time spent on watching Netfree
At least 25 hours (N)
Less than 25 hours (L)
Male (M)
Female (F)
15
8
10
17
Calculate the probability that a randomly selected student is a female or
spent less than 25 hours on watching Netfree.
(i)
(ii)
Find the probability that a randomly selected male student spent at least
25 hours on watching Netfree.
Two students are randomly selected from the 50 students without
replacement. Find the probability that at least one ofthem spent less than
25 hours on watching Netfree.
(iii)
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