Let X be normally distributed with mean μ-126 and standard deviation σ-22. Mou may find it...
Let X be normally distributed with mean μ. 126 and standard deviation σ-22. [You may find it useful to reference the ztable.] a. Find AX s 100). (Round" value to 2 decimal places and final answer to 4 decimal places.) POX S 100) b. Find P95 sX s110) (Roundr value to 2 decimal places and final answer to 4 decimal places.) P(95 SXS 110) c. Find x such that PXsX)-0.410. (Round " value and final answer to 3 decimal places.)...
Let X be normally distributed with mean μ = 22 and standard deviation σ = 16. [You may find it useful to reference the z table.] a. Find P(X ≤ 2). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) b. Find P(X > 6). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) c. Find P(2 ≤ X ≤ 26). (Round "z" value to 2 decimal places and final...
Let X be normally distributed with mean μ = 137 and standard deviation σ = 20. [You may find it useful to reference the z table.] a. Find P(X ≤ 100). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) b. Find P(95 ≤ X ≤ 110). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) c. Find x such that P(X ≤ x) = 0.340. (Round "z" value and...
Let X be normally distributed with mean μ = 2.4 and standard deviation σ = 1.6. a. Find P(X > 6.5). (Round "z" value to 2 decimal places and final answer to 4 decimal places. b. Find P(5.5 ≤ X ≤ 7.5). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) c. Find x such that P(X > x) = 0.0869. (Round "z" value and final answer to 3 decimal places.) d. Find x such...
Let X be normally distributed with mean μ = 3.3 and standard deviation σ = 2.3. [You may find it useful to reference the z table.] a. Find P(X > 6.5). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) b. Find P(5.5 ≤ X ≤ 7.5). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) c. Find x such that P(X > x) = 0.0485. (Round "z" value and...
Let X be normally distributed with mean μ = 2.9 and standard deviation σ = 1.5. Use Table 1. a. Find P(X > 6.5). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) P(X > 6.5) b. Find P(5.5 ≤ X ≤ 7.5). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) P(5.5 ≤ X ≤ 7.5) c. Find x such that P(X > x) = 0.0594. (Round "z" value...
Let X be normally distributed with mean μ = 13 and standard deviation σ = 4. a. Find P(X ≤ 2). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) b. Find P(X > 4). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) c. Find P(7 ≤ X ≤ 12). (Round "z" value to 2 decimal places and final answer to 4 decimal places.) d. Find P(10 ≤ X...
Let X be normally distributed with mean μ = 3,200 and standard deviation σ = 1,200. [Use Excel commands instead of the z table.] a. Find x such that P(X ≤ x) = 0.9382. (Round "z" value to 2 decimal places, and final answer to nearest whole number.) b. Find x such that P(X > x) = 0.025. (Round "z" value to 2 decimal places, and final answer to nearest whole number.) c. Find x such that P(3,200 ≤ X...
Let X be normally distributed with mean μ = 3,200 and standard deviation σ = 1,600. [Use Excel commands instead of the z table.] a. Find x such that P(X ≤ x) = 0.9382. (Round "z" value to 2 decimal places, and final answer to nearest whole number.) c. Find x such that P(3,200 ≤ X ≤ x) = 0.1217. (Round "z" value to 2 decimal places, and final answer to nearest whole number.)
drawn from a population with mean μ-52 and standard deviation σ= 4.3. Mou may find it useful to reference A random sample the z table.] a. Is the sampling distribution of the sample mean with n-13 and n# 39 normally distributed? ○Yes, both the sample means will have a normal distribution. O No, both the sample means will not have a normal distribution. O No, only the sample mean with n 13 will have a normal distribution. O No, only...