In July there has taken a random sample of 40 farming regions for gathering information about the selling prices of watermelon crops. An average price was determined to be DKK 45.85 per 50 kilograms of watermelon with a standard deviation of DKK 12.95 per 50 kilograms.   a) Find a 90% confidence interval for the mean price (per 50 kilograms) that farmers get for their watermelon crop.

Q: Suppose that the quarterly sales levels among health care information systems companies are…

A: Given that  Mean=12 Standard deviation=sigma=1.3 X~Normal(mu=12,sigma=1.3)

Q: Suppose that the quarterly sales levels among health care information systems companies are…

A: Given data,Mean μ=11sd      σ=1.2P(X<x)=20%x=?

Q: The speeds of all cars on the tollway was found to be normally distributed with a mean of 63 miles…

A: It is given that that µ=63 mile per hour. Obtain the standard deviation of the speeds of all cars:

Q: The mean number of English courses taken in a two-year time period by male and female college…

A: Given- nM=29nF=16X¯M=2X¯F=3sM=0.7sF=1.1α=0.05

Q: A marketing firm wants to estimate the difference in the mean amount of caffeine in two brands of…

A:

Q: major television manufacturer has determined that its 40-inch LED televisions have a mean service…

A:

Q: Suppose that the quarterly sales levels among health care information systems companies are…

A:

Q: What is the greatest amount of time that a newborn can sleep and still be in the bottom 75% of…

A: Let , X→N(μ=15.5 , σ=1.6) Our aim is to find the greatest amount of time that a newborn can sleep…

Q: The time required for an automotive center to complete an oil change service on an automobile…

A: the PDF of normal distribution is = 1/σ * √2π * e ^ -(x-u)^2/ 2σ^2standard normal distribution is a…

Q: The number of calories consumed per day for a child is normally distributed with a mean of 1544 and…

A: The number of calories consumed per day for a child is normally distributed with a mean of 1544 and…

Q: Suppose that the quarterly sales levels among health care information systems companies are…

A: We have given that Mean(µ) = 8Standard deviations (σ) =1.3

Q: Suppose that the quarterly sales levels among health care information systems companies are…

A: Here, X is the quarterly sales levels among health care information system companies,  Given,…

Q: Suppose that grade point averages of undergraduate students at one university have a bell-shaped…

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.