10 points References 28 8 b. Find A5.5 sx 5)·(Round "z" value to 2 decimal places...

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8 b. Find A5.5 sx 5)·(Round z value to 2 decimal places and final answer to 4 decimal places.) P(5.5 sXs7.5) c. Find x such that RX>x) 00594 (Round z value and final answer to 3 decimal places.) Print d. Find x such that Px s Xs3.4)-0.1255. (Negative value should be Indicated by a minus sign. Round 3 decimal places.) value and final answer to < Prev 8 of 12 Next > 28

math Statistics-And-Probability

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Answer 1

Answer #1

a)

probability =

P(X>6.5)

=

P(Z>1.55)=

1-P(Z<1.55)=

1-0.9394=

0.0606

b)

probability =

P(5.5<X<7.5)

=

P(1.05<Z<2.05)=

0.9798-0.8531=

0.1267

c)

here z=1.56

hence x=3.4+1.56*2=6.520

d)

x=2.760

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Answer 2

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