Q4) A box containing a group of ball (blue and red) totaling 25 balls. another Five blue balls are added t the box, the probability of drawing blue ball will be tetra-plicate (4 times :that of a red ball. Thu c) The probability of drawing :red ball before addition is

Q: Class 366-386 387 - 407 408 - 428 429 - 449 450 - 470 471 - 491 492 512 513 - 533 Frequency 5 2…

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Q: Oz=-0.81 Oz=-0.55 Oz=-0.88 Oz=-0.77 and z=0.81 and == 0.55 and z= 0.88 and z=0.77 58%

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