Constructing confidence intervals

Reference no: EM13104414

A sample of 144 cans of coffee showed an average weight of 16 ounces. The standard deviation of the population is known to be 1.4 ounces.

a. Construct a 68.26% confidence interval for the mean of the population.

b. Construct a 97% confidence interval for the mean of the population.

Reference no: EM13104414

Questions Cloud

What happens to the system as time passes : Two metal balls A and B of negligible radius, connected by a taut nonconducting thread of length 2.90 m, are floating at rest on Space Station Freedom between two metal bulkheads.

Computing and interpreting margin of error : The margin of error for polling results is typically determined as the half-width of a 95% confidence interval. With respect to a particular ballot proposition

How mnc managers manage conflict : How do MNC managers manage conflict? Compare or contrast managing conflict resolutions using the instrumental-oriented conflict approach and the expressive-oriented conflict approach

Confidence interval for true proportion : What is a 99% confidence interval for the true proportion of dentists in the population that would make such a recommendation?

Constructing confidence intervals : A sample of 144 cans of coffee showed an average weight of 16 ounces. The standard deviation of the population is known to be 1.4 ounces.

Find the components of the net electric field : (a) Find the components of the net electric field at the origin. Ex = , Ey = (b) Find the magnitude and direction of the net electric field at the origin. |E| = at direction (from +x axis).

Confidence intervals for sample distribution : The average monthly electric bill of a random sample of 256 residents of a city is $90 with a standard deviation of $24.

Problem related to deer in a region carry a certain tick : Biologist estimates that 50% of the deer in a region carry a certain type of tick. For a sample of 300 deer selected at random, what is the chance that 155 or fewer deer have this tick?

Confidence interval for sample of 60 students : A sample of 60 students from a large university is taken. The average age in the sample was 22 years with a standard deviation of 6 years.

User Account

All Pages