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 = 4.7 and standard deviationo = 0.6. 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.) -0.33 (b) Convert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.) z< -0.83 (c) Convert the x interval, 4.0 < x < 5.5, to a z interval. (Round your answers to two decimal places.) -1.17

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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 = 4.7 and standard deviationo = 0.6.
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.)
-0.33
(b) Convert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.)
z< -0.83
(c) Convert the x interval, 4.0 < x < 5.5, to a z interval. (Round your answers to two decimal places.)
-1.17
<z< 1.33
(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.)
(f) Convert the z interval, -2.25 <z< -1.00, to an x interval. (Round your answers to one decimal place.)
くX<
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 = 4.7 and standard deviationo = 0.6. 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.) -0.33 (b) Convert the x interval, x < 4.2, to a z interval. (Round your answer to two decimal places.) z< -0.83 (c) Convert the x interval, 4.0 < x < 5.5, to a z interval. (Round your answers to two decimal places.) -1.17 <z< 1.33 (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.) (f) Convert the z interval, -2.25 <z< -1.00, to an x interval. (Round your answers to one decimal place.) くX<
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