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Sedbober [7]
3 years ago
11

Use Excel to find each probability. (Round your answers to 4 decimal places.) Probability a. P(80 < X < 110) for N(100,15)

b. P(1.50 < X < 2.00) for N(0,1) c. P(4,500 < X < 7,000) for N(6000,1000) d. P(225 < X < 450) for N(600,100)
Mathematics
1 answer:
Katen [24]3 years ago
4 0

Answer:

Step-by-step explanation:

a) P(80 < X < 110) for N(100,15)

Mean 100 sd=15  

z F (x)

80 -1.333333333 0.09121122

110 0.666666667 0.747507462

 

P(80<x<110) 0.656296243

b. P(1.50 < X < 2.00) for N(0,1)

z F (x)

1.5 0.933192799

2 0.977249868

P(1.50 < X < 2.00) =0.04406

c. P(4,500 < X < 7,000) for N(6000,1000)

6000 1000  

z F (x)

4500 -1.5 0.066807201

7000 1 0.841344746

 

P(4500<x<7000) 0.774537545

d. P(225 < X < 450) for N(600,100)

600 100  

z F (x)

225 -3.75 8.84173E-05

450 -1.5 0.066807201

 

P(225<x<450) 0.066718784

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