Assuming the length of nails in a large box of 4-inch nails is normally distributed with mean of 4 inches with standard deviation 0.02 Use the Cumulative Z-Score Table to answer the following questions. What is the probability that a randomly selected nail from the box is longer than 3.998 inches? Write your answers in decimal form using 4 decimal places. What is the probability that a randomly selected nail from the box is between 3.993 and 4.005 inches? Write your answers in decimal form using 4 decimal places.

Q: The lengths of pregnancies are normally distributed with a mean of 269 days and a standard deviation…

A: Given: μ=269 and σ=15. a)PX≥308=PX-μσ≥308-μσ=PZ≥308-26915=PZ≥2.6=1-PZ<2.6=1-0.9953=0.0047…

Q: The amount of coffee that people drink per day is normally distributed with a mean of 14 ounces and…

A: Determine the distribution of the random variable X follows.   The distribution of the random…

Q: Which expression entered into a graphing calculator will return the probability that a data value in…

A:

Q: In an Algebra class, the scores on a test are normally distributed. The middle 68% of the scores…

A: By empirical rule, 68% of data falls within one standard deviation. Thus, based on given info,…

Q: Temperatures a city are distributed approximately normal, with a mean of 61 degrees fahrenheit and a…

A: Given data,Mean μ=61sd    σ=6P(X<70.5)=?

Q: According to a company's website, the top 10% of the candidates who take the entrance test will be…

A:

Q: A soft drink machine outputs a mean of 29 ounces per cup. The machine's output is normally…

A: given data normal distributionμ = 29 ouncesσ = 4 ouncesx = weight of cupP(25<x<31) = ?

Q: The SAT scores for students are normally distributed with a mean of 1150 and a standard deviation of…

A:

Estimation

A new framework of data analysis where the new statistical methods are used for interpreting the results and analyzing the data is known as estimation in statistics.