Class 9 Exam > Class 9 Questions > A coin is tossed 1000 times, if the probabili...
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A coin is tossed 1000 times, if the probability of getting a tail, 3/8 how many times head is obtained?
- a)325
- b)525
- c)625
- d)725
Correct answer is option 'C'. Can you explain this answer?
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Most Upvoted Answer
A coin is tossed 1000 times, if the probability of getting a tail, 3/8...
Tail is obtained (3/8 × 1000) times = 375 times.
∴ Head is obtained (1000 – 375) = 625 times.
∴ Head is obtained (1000 – 375) = 625 times.
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Community Answer
A coin is tossed 1000 times, if the probability of getting a tail, 3/8...
Solution:
Given:
- Probability of getting a tail = 3/8
- Number of tosses = 1000
Calculating the probability of getting a head:
- Since the total probability of any event happening is 1, the probability of getting a head can be calculated as: 1 - 3/8 = 5/8
Calculating the number of times head is obtained:
- Number of times head is obtained = Probability of getting a head x Total number of tosses
- Number of times head is obtained = (5/8) x 1000 = 625
Therefore, the number of times head is obtained in 1000 tosses is 625. Hence, the correct answer is option 'c) 625'.
Given:
- Probability of getting a tail = 3/8
- Number of tosses = 1000
Calculating the probability of getting a head:
- Since the total probability of any event happening is 1, the probability of getting a head can be calculated as: 1 - 3/8 = 5/8
Calculating the number of times head is obtained:
- Number of times head is obtained = Probability of getting a head x Total number of tosses
- Number of times head is obtained = (5/8) x 1000 = 625
Therefore, the number of times head is obtained in 1000 tosses is 625. Hence, the correct answer is option 'c) 625'.
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A coin is tossed 1000 times, if the probability of getting a tail, 3/8how many times head is obtained?a)325b)525c)625d)725Correct answer is option 'C'. Can you explain this answer?
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