# Business Assignments | Online Homework Help

**QUESTION 1**

**Assume that X has a normal distribution, and find the indicated probability.**The mean is μ = 60.0 and the standard deviation is σ = 4.0.

Find the probability that X is less than 53.0.0.04010.08020.95990.5589

**1 points **

**QUESTION 2**

**Assume that X has a normal distribution, and find the indicated probability.**The mean is μ = 15.2 and the standard deviation is σ = 0.9.

Find the probability that X is greater than 17.0.98210.97720.97130.0228

**1 points **

**QUESTION 3**

**Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation 1.**

0.84850.87080.89070.1292

**1 points **

**QUESTION 4**

**Find the area of the shaded region. The graph depicts the standard normal distribution with mean 0 and standard deviation 1.**0.17880.35760.64240.8212

**1 points **

**QUESTION 5**

**Find the indicated probability.**The diameters of bolts produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What percentage of bolts will have a diameter greater than 0.32 inches?47.72%37.45%97.72%2.28%

**1 points **

**QUESTION 6**

**Find the indicated probability.**The diameters of pencils produced by a certain machine are normally distributed with a mean of 0.30 inches and a standard deviation of 0.01 inches. What is the probability that the diameter of a randomly selected pencil will be less than 0.285 inches?0.06680.93320.43320.0596

**1 points **

**QUESTION 7**

**Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1.**Shaded area is 0.4013.

0.570.25-0.57-0.25

**1 points **

**QUESTION 8**

**Find the indicated z score. The graph depicts the standard normal distribution with mean 0 and standard deviation 1.**Shaded area is 0.0694.

1.261.451.481.39

**1 points **

**QUESTION 9**

**If z is a standard normal variable, find the probability.**The probability that z lies between -2.41 and 00.09480.49200.49100.5080

**1 points **

**QUESTION 10**

**If z is a standard normal variable, find the probability.**The probability that z lies between 0.7 and 1.980.21751.73410.2181-0.2181