Question

-50 bags of wheat flour, each marked 10 kg actually give the following data:

Weight of each bag (in kg):-

Number of bags:-

9.4-9.6kg-10 bags

9.6-9.8kg-23 bags

9.8-10.0 kg-17 bags

What is the probability that the bag selected at random weights 9.8 kg or more!​

Answer 1

i have given above. so this answer was from class 9 cbse book if you need any onter ouestion i can slove i have all the answer

Answer 2

The probability that the bag selected at random weights 9.8 kg or more = 17/50

Given :

50 bags of wheat flour, each marked 10 kg actually give the following data:

Weight of each bag (in kg) :- Number of bags:-

9.4-9.6kg - 10 bags

9.6-9.8kg - 23 bags

9.8-10.0 kg - 17 bags

To find :

The probability that the bag selected at random weights 9.8 kg or more

Solution :

Step 1 of 3 :

Find total number of possible outcomes

There are 50 bags of wheat flour

So total number of possible outcomes = 50

Step 2 of 3 :

Find total number of possible outcomes for the event

Let A be the event that of selecting a bag of weights 9.8 kg or more

Since the number of bags for weight 9.8 - 10.0 kg is 17

So total number of possible outcomes for the event A is 17

Step 3 of 3 :

Find the probability

Hence the required probability

= P(A)

$\displaystyle \sf{ = \frac{Number \: of \: favourable \: cases \: to \: the \: event \: A }{Total \: number \: of \: possible \: outcomes }}$

$\displaystyle \sf{ = \frac{17}{50} }$

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