i need help now please i dont get it. !!! Question Help o Steel rods are...
Steel rods are manufactured with a mean length of 23 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are approximately normal distributed with a standard deviation of 0.08 Click the icon to view a table of areas under the normal curve (a) What proportion of rods has a length less than 22.9 cm? 0.0478 (Round to four decimal places as needed) (b) Any rods that are shorter than 22 87 om or longer than...
Steel rods are manufactured with a mean length of 28 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are approximately normally distributed with a standard deviation of 0.06 cm. Click the icon to view a table of areas under the normal curve (a) What proportion o rods has a length less than 27.9 cm? Round to four decimal places as needed.)
Determine the area under the standard normal curve that lies between(a)= -1.37 and Z-1.37. ) Z=-2.44 and 20, and (ZE-0.54 and 2-0.51 Click the icon to view a table of areas under the normal curve. . (a) The area that lies between Z=-1.37 and Z-1.37 is (Round to four decimal places as needed.) (b) The area that lies between Z -2.44 and Z=0 (Round to four decimal places as needed.) (c) The area that lies between Z= -0.54 and Z=0.51...
Determine the area under the standard normal curve that lies to the right of (a) Z=0.56, (b) Z=-1.86, (c) Z=-1.74, and ( d) Z=-0.96(a) The area to the right of Z=0.56 is(Round to four decimal places as needed.)(b) The area to the right of Z=-1.86 is(Round to four decimal places as needed.)(c) The area to the right of Z=-1.74 is(Round to four decimal places as needed.)(d) The area to the right of Z=-0.96 is(Round to four decimal places as needed.)Determine...
Steel rods are manufactured with a mean length of 21 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are approximately normally distributed with a standard deviation of 0.08 cm. Click the icon to view a table of areas under the normal curve. (a) What proportion of rods has a length less than 20,9 cm? (Round to four decimal places as needed.) (b) Any rods that are shorter than 20.81 cm or longer than 21.19...
Determine the area under the standard normal curve that lies between (a) Z=-1.29 and Z=1.29, (b) Z=-0.15 and Z=0, and (c) Z=1.11 and Z=221.Click the icon to view a table of areas under the normal curve.(a) The area that lies between Z=-1.29 and Z=1.29 is(Round to four decimal places as needed.)
Determine the area under the standard normal curve that lies between (a) Z= - 1.17 and Z = 1.17, (b) Z= -2.68 and Z= 0, and (c) Z= 1.09 and Z= 1.25.Click the icon to view a table of areas under the normal curve. (a) The area that lies between Z= - 1.17 and Z= 1.17 is _______ (Round to four decimal places as needed.)
Determine the area under te standard normal curve that lies between (a) Ζ=-0.71 and Z·071, (b) Ζ.-1.63 and Z. O, and (c) Ζ--2.23 and Ζ.-0.52. Click the icon to view a table of areas under the normal curve. (a) The area that lies between Z -0.71 and Z 0.71 is Round to four decimal places as needed.)
Question Help Steel rods are manufactured with a mean length of 25 centimeter (cm). Because of variability in the manufacturing process, the lengths of the rods are approximately normally distributed with a standard deviation of 0.06 cm. Complete parts (a) to (d). (a) What proportion of rods has a length less than 24.9 cm? (Round to four decimal places as needed.) (b) Any rods that are shorter than 24.88 cm or longer than 25.12 cm are discarded. What proportion of...
Determine the area under the standard normal curve that lies to the left of(a) Z=1.58,(b) Z=-1.24,(c) Z=-0.02, and ( d) Z=0.88Click the icon to view a table of areas under the normal curve.(a) The area to the left of Z=1.58 is(Round to four decimal places as needed.)