Let x = red blood cell (RBC) count in millions per cubic millimeter of whole blood. For healthy females, x has an approximately normal distribution with mean u = 5.5 and standar deviation a = 0.7. The Standard Normal Distribution u - 0, o - 1) -3 -2 -1 68% of area 95% of area 99.7% of area (a) Convert the x interval, 4.5 < x, to a z interval. (Round your answer to two decimal places.) ]< z (b) Convert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.) (c) Convert the x interval, 4.0 < x < 5.5, to a z interval. (Round your answers to two decimal places.)

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Answer a, b, & c.
Setags3Dautosave#Q5
Let X = rea Diood celI (RBC) COunt in mimons per CUDIC mimmeter or whole DIOOd. For nealtny remales, x nas an approxima
deviation o = 0.7.
The Standard Normal Distribution
(u = 0, o = 1)
-3
-2
-1
3
68% of area
95% of area
99.7% of area
(a) Convert the x interval, 4.5 < x, to a z interval. (Round your answer to two decimal places.)
(b) Convert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.)
(c) Convert the x interval, 4.0 < x < 5.5, to a z interval. (Round your answers to two decimal places.)
(d) Convert the z interval, z < -1.44, to an x interval. (Round your answer to one decimal place.)
(e) Convert the z interval, 1.28 < z, to an x interval. (Round your answer to one decimal place.)
Transcribed Image Text:Setags3Dautosave#Q5 Let X = rea Diood celI (RBC) COunt in mimons per CUDIC mimmeter or whole DIOOd. For nealtny remales, x nas an approxima deviation o = 0.7. The Standard Normal Distribution (u = 0, o = 1) -3 -2 -1 3 68% of area 95% of area 99.7% of area (a) Convert the x interval, 4.5 < x, to a z interval. (Round your answer to two decimal places.) (b) Convert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.) (c) Convert the x interval, 4.0 < x < 5.5, to a z interval. (Round your answers to two decimal places.) (d) Convert the z interval, z < -1.44, to an x interval. (Round your answer to one decimal place.) (e) Convert the z interval, 1.28 < z, to an x interval. (Round your answer to one decimal place.)
Let x = red blood cell (RBC) count in millions per cubic millimeter of whole blood. For healthy females, x has an approximately normal distribution with mean u = 5.5 and standard
deviațion o = 0.7.
The Standard Normal Distribution
(u - 0, o = 1)
-2
68% of area
95% of area
99.7% of area
(a) Convert the x interval, 4.5 < x, to a z interval. (Round your answer to two decimal places.)
< z
(b) Convert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.)
(c) Convert the x interval, 4.0 <x < 5.5, to a z interval. (Round your answers to two decimal places.)
Transcribed Image Text:Let x = red blood cell (RBC) count in millions per cubic millimeter of whole blood. For healthy females, x has an approximately normal distribution with mean u = 5.5 and standard deviațion o = 0.7. The Standard Normal Distribution (u - 0, o = 1) -2 68% of area 95% of area 99.7% of area (a) Convert the x interval, 4.5 < x, to a z interval. (Round your answer to two decimal places.) < z (b) Convert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.) (c) Convert the x interval, 4.0 <x < 5.5, to a z interval. (Round your answers to two decimal places.)
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