The annual precipitation amounts in a certain mountain range are normally distributed with a mean of 97 inches, and a standard deviation of 10 inches. What is the probability that the mean annual precipitation during 25 randomly picked years will be less than 99.8 inches?

Q: The average age of accountants is 53 years, with a standard deviation of 5 years. If an accounting…

A: We have to find probability..

Q: Assume that the heights of women are normally distributed with a mean of 64.1 inches And a standard…

A: Given: Population mean=μ=64.1. Population standard deviation=σ=2.3. The sample size is n=64.

Q: If a brisk walk at 4 mph burns an average of 300 cal per hour, find the probabilit that a person…

A:

Q: Assume that adults have IQ scores that are normally distributed with a mean of 97.8 and a standard…

A: Given a mean of 97.8 and a standard deviation of 23

Q: the weights of 8000 men follows a normal distribution with mean 67 kg. and the standard deviation 10…

A: We want to find probability for given data

Q: Mathematics majors generally have one of the highest starting salaries. Suppose the average starting…

A: For Normal distribution z score = (x-μ)/σx

Q: Assume that thermometer readings are normally distributed with a mean of 0 degree celcius and a…

A: Consider X be a random variable which follows normal distribution indicates thermometer readings.…

Q: he lifespan of a laptop battery is normally distributed. If the mean lifespan of a battery is 4…

A: Let X denote the lifespan of a laptop battery and it follows normal distribution with mean lifespan…

Q: The temperature is recorded at 60 airports in a region. The average temperature is 67 degrees…

A:

Q: A forest ranger researching ecosystem recovery following forest fires collected data on a large…

A: Given that Mean = 3.2 feet Standard deviation = 0.6 feet

Q: find the probability that the mean time of a sample of 15 Americans who shower will be less than 12…

A:

Q: The mean height of Grade III pupils is 138 cm with a standard deviation of 8 cm. If a sample of 30…

A: We have given that,  X be the random variable from normal distribution with mean = 138, standard…

Q: The NJ Department of Health has reported the average life span of NJ residents is 81 years. If the…

A: Let "X" be the average life span of NJ residents

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.