Assignment05_OROUR - 5.31...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
5.31 a) Find a value of x such that 10% of x values are less than x 0 . µ = 30,  σ  = 8 P(x) < 0.4, z = -1.28 -1.28 = (x - 30)/8 -1.28(8)+30 = x 19.76 = x b) find a value of x 0  such that 80% of x values are less than x 0 . P(x) < .3, z = 0.84 0.84 = (x - 30)/8 0.84(8) + 30 = x 36.72 = x c) find a value of x 0  such that 1% of x values are greater than x 0 . P(x) > .49, z = 2.32 2.32 = (x – 30)/8 2.32(8) + 30 = x 48.64 = x 5.38 a) Find the probability that weight will fall between 1,000 and 1,400 grams. µ = 1,050,  σ  = 375 z = (x - µ)/  σ z 1400  = (1400 – 1050) / 375 = 0.933 P(1400) = .3212
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
z 1000  = (1000 – 1050) / 375 = -0.133 P(1000) = .0517 P(1400) + P(1000) = .3212 + .0517 = .3755 b) Find the probability that the weight will fall between 800 and 1,000 grams. Z
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 07/28/2011 for the course STATISTICS BA 240 taught by Professor Winnieli during the Spring '11 term at Bellevue College.

Page1 / 4

Assignment05_OROUR - 5.31...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online