Sparr investment inc specializes in tax-deferred investment

Assignment Help Basic Statistics

Reference no: EM13603093

Sparr Investment, Inc., specializes in tax-deferred investment opportunities for its clients. Recently Sparr offered a payroll deduction investment program for the employees of a particular company. Sparr estimates that the employees are currently averaging $100 or less per month in tax-deferred investments. A sample of 40 employees will be used to test Sparr's hypothesis about the current level of investment activity amping the population of employees. Assume the employee monthly tax-deferred investment ampints have a standard deviation of $75 and that a .05 level of significance will be used in the hypothesis test.

A. What is the type II error in this situation?

B. What is the probability of the type II error if the actual mean employee monthly investment is $120?

C. What is the probability of the type II error if the actual mean employee monthly investment is $130?

D. Assume a sample size of 80 employees is used and repeat parts (b) and (c).

Reference no: EM13603093

Questions Cloud

Under the perpetual inventory system village fabrics : under the perpetual inventory system village fabrics purchased 25 yards of blue plaid fabric at a cost of 2.00 per

What is the magnitude of the acceleration of an electron at : question 1. what is the magnitude of the acceleration of an electron at a point where the electric field has magnitude

Compare annual profit when the plant is operating at 90 of : a planet operation has fixed costs of 2000000 per year and its output capacity is 100000 electrical appliances per

An automobile mileage study tested the following hypotheses : an automobile mileage study tested the following hypotheses.hypothesish0ugtor equal to 25 mpgconclusionmanufacturers

Sparr investment inc specializes in tax-deferred investment : sparr investment inc. specializes in tax-deferred investment opportunities for its clients. recently sparr offered a

The shape of the distribution of the time required to get : the shape of the distribution of the time required to get an oil change at a 15 minute facility is unknown. however

Assume you pay 010 per kw-hour for electricity how much : assume you pay 0.10 per kw-hour for electricity. how much would it cost just to keep the hot water inside the heater

If the filling equipment is adjusted so that the average : on an assembly line that fills 8-ounce cans a can will be rejected if its weight is less than 7.90 ounces. in a large

There are twelve zodiac signs and each person is born under : there are twelve zodiac signs and each person is born under exactly one sign. suppose that each sign is equally likely

User Account

All Pages