The united states department of agriculture reports that

Assignment Help Basic Statistics

Reference no: EM13623251

The united states department of agriculture reports that the mean American consumption of carbonated beverages per year is greater than 52 gallons. A random sample of 30 americans yielded a sample mean of 69 gallons. Assume that the population stardard deviation is 20 gallons. Let the confidence level be 95%

A. find the point estimate of the population mean

b, calculate the standard error of the estimate

c. find the critical value for z for the confidence interval

d. construct and interpret the margin of error

e. calculate and interpret the confidence interval for the indicated confidence level for the population mean

f. how large a sample size is necessary to estimate the population mean within 25 gallons with 95% confidence?

Reference no: EM13623251

Questions Cloud

Suppose stricklers manager believe the annual inventory : stricklers sales last year were 3250000 all on credistrickler technology is considering changes in its working capital

42 g firecracker at rest at the origin when it explodes : 42 g firecracker at rest at the origin when it explodes into three pieces the first with mass 12 g moves along the x

A temperature scale is defined by the equation tsti lim : a temperature scale is defined by the equation tsti lim pi-0 pspi1.36609 as in gas thermomery but now the reaumur

The truck will have no effect on your companys revenues but : you have been asked by the president of your company to evaluate the proposed acquisition of a new special-purpose

The united states department of agriculture reports that : the united states department of agriculture reports that the mean american consumption of carbonated beverages per year

A hollow conducting spherical shell of radius 120 cm : a hollow conducting spherical shell of radius 1.20 cm carries a charge of -5.20 nc. what is the electric field at a

What is the approximate width of a 90 confidence interval : what is the approximate width of a 90 confidence interval for the true population proportion if there are 12 successes

Two barometers are made with water and oil the density of : two barometers are made with water and oil. the density of the oil is 900 kgm3 and that of water 1000 kgm3. if the oil

The accounting manager of gateway inns has noted that every : the accounting manager of gateway inns has noted that every time the inns average occupancy rate increases by 5 percent

User Account

All Pages