RS Aggarwal 2019 2020 Solutions for Class 7 Math Chapter 23 Probability are provided here with simple step-by-step explanations. These solutions for Probability are extremely popular among class 7 students for Math Probability Solutions come handy for quickly completing your homework and preparing for exams. All questions and answers from the RS Aggarwal 2019 2020 Book of class 7 Math Chapter 23 are provided here for you for free. You will also love the ad-free experience on Meritnation’s RS Aggarwal 2019 2020 Solutions. All RS Aggarwal 2019 2020 Solutions for class 7 Math are prepared by experts and are 100% accurate.
Page No 283:
Question 1:
Answer:
Total number of trials = 300
Number of times a head is obtained = 136
Number of times a tail is obtained= 164
(i) Probability of getting head ==
(ii) Probability of getting a tail ==
Page No 283:
Question 2:
Total number of trials = 300
Number of times a head is obtained = 136
Number of times a tail is obtained= 164
(i) Probability of getting head ==
(ii) Probability of getting a tail ==
Answer:
Total number of trials = 200
Number of times 2 heads are obtained = 58
Number of times one head is obtained = 83
Number of times no head is obtained = 59
(i) Probability of getting 2 heads = =
(ii) Probability of getting 1 head = =
(iii) Probability of getting 0 head = =
Page No 283:
Question 3:
Total number of trials = 200
Number of times 2 heads are obtained = 58
Number of times one head is obtained = 83
Number of times no head is obtained = 59
(i) Probability of getting 2 heads = =
(ii) Probability of getting 1 head = =
(iii) Probability of getting 0 head = =
Answer:
Total number of trials = 100
Number of times 3 is obtained = 18
Number of times 6 is obtained = 9
Number of times 4 is obtained = 15
Number of times 1 is obtained = 21
Page No 283:
Question 4:
Total number of trials = 100
Number of times 3 is obtained = 18
Number of times 6 is obtained = 9
Number of times 4 is obtained = 15
Number of times 1 is obtained = 21
Answer:
Total number of ladies surveyed = 100
Ladies who like coffee = 36
Ladies who do not like coffee = 64
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