The mean diameter of a ball bearing produced by a certain

Reference no: EM13631479

The mean diameter of a ball bearing produced by a certain manufacturer is 0.80 cm with a standard deviation of 0.03 cm. A sample of 36 ball bearings is randomly selected from a production run. Use Excel to answer the following questions.

a. What is the probability that the sample of ball bearings will have a mean less than 0.798 cm?

b. What is the probability that the sample of ball bearings will have a mean of at least 0.815 cm?

c. What is the probability that the sample of ball bearings will have a mean between 0.798 and 0.815 cm?

d. For samples of size 36, 15% of all sample means are at most what diameter?

Reference no: EM13631479

Questions Cloud

An actual refrigerator absorbs 500 kj of heat from a sink : an actual refrigerator absorbs 500 kj of heat from a sink at 250 k and reject 660 kj of heat to environment at 300 k.

Ten kg of water is in a closed rigid container with a : air is compressed from an initial temperature of 20 degc and pressure of 100 kpa to a final pressure of 1000 kpa. the

Provide a 95 confidence interval estimate for the average : a small stock brokerage firm wants to determine the average daily sales in dollars of stocks to their clients.a sample

Show that the rate at which shaft work is obtained or : a. show that the rate at which shaft work is obtained or required for a reversible change of state in a closed system

The mean diameter of a ball bearing produced by a certain : the mean diameter of a ball bearing produced by a certain manufacturer is 0.80 cm with a standard deviation of 0.03 cm.

Compare the turbine exit quality for a simple cycle without : reheat where high pressure and low pressure turbines are used is added to a simple steam cycle to increase the steam

Is it necessary to know anything about the shape of the : a random sample of 121 checking accounts at a bank showed an average daily balance of 280. the population standard

Changes made to stainlees steel piping to reduce : changes made to stainlees steel piping to reduce intergranular stress corrosion cracking describe four modifications

Assuming the specific heat of the body is the same as water : assuming the specific heat of the body is the same as water calculate the temperature rise due to a total body dose of

User Account

All Pages