Determine the percentage of females, Basic Statistics

+44 141 628 6080
[email protected]

Determine the percentage of females

A medical researcher wishes to determine the percentage of females who take vitamins. He wishes to be 95% confident that the estimate is within 2.5 percentage points of the true proportion. A recent study of 320 females showed that 66% took vitamins. How large should the sample size be?

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Determine the percentage of females

Reference No:- TGS0739196

Expected delivery within 24 Hours

Have a Question? (oR Write a Review)

Write atleast 100 words!!

Recent Questions Asked Basic Statistics

Q : What is the new pressure in the tank

Gas is confined in a tank at a pressure of 1.19E+6 Pa and a temperature of 14.2°C. If half of the gas is withdrawn and the temperature is raised to 66.2°C, what is the new pressure in the tank?

Q : Determine final microstructure of a small specimen

Using the isothermal transformation diagram for a 1.13wt% C steel alloy (found in Callister), determine the final microstructure (in terms of just the microconstituents present).

Q : How large is the mass flow rate

A large stationary diesel engine produces 15 MW with a thermal efficiency of 40%. The exhaust gas which we assume is air, flows out at 800K, and the intake is 290K. How large is the mass flow rat? Can the exhaust flow energy be used?

Q : Find the air temperature inside the tires

Ignoring the expansion of the tires, find the air temperature (in K) inside the tires at the end of the trip. Do not enter unit.

Q : Determine the percentage of females

Q : How much time does it take if this is the only cooling load

A refrigerator should remove 500 kJ from some food. Assume the refrigerator works in a Carnot cycle between -10 degrees C and 45 degrees C with a motor compressor of 500 W. How much time does it take if this is the only cooling load?

Q : Find the magnetic field on any point on the z-axis

A square loop of dimensions 2a x 2a lies in the xy plane with its center at the origin and sides parallel to the x and y axes. A counterclockwise current I runs around the loop. Find the magnetic field on any point on the z-axis.

Q : Possible states of the economy

For example, the probability that the economy will be in "boom" state is 0.15. In this case, if you invest in the stock market your return is assumed to be 25%; on the other hand if you invest in gold when the economy is in a "boom" state your ret

Q : Find volume and temperature at the state points of cycle

Determine (a) the pressure, volume and temperature at the state points of the cycle (b) the thermal efficiency of the cycle (c) the work done per cycle. Solution for b) 48% Solution for c) 44.4 kJ.

1928907

Questions
Asked

3,689

Active Tutors

1431911

Questions
Answered

Start Excelling in your courses, Ask a tutor for help and get answers for your problems !!

ask Question

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Determine the percentage of females

Reference No:- TGS0739196

Have a Question? (oR Write a Review)

Recent Questions Asked Basic Statistics

Q : What is the new pressure in the tank

Q : Determine final microstructure of a small specimen

Q : How large is the mass flow rate

Q : Find the air temperature inside the tires

Q : Determine the percentage of females

Q : How much time does it take if this is the only cooling load

Q : Find the magnetic field on any point on the z-axis

Q : Possible states of the economy

Q : Find volume and temperature at the state points of cycle

How protein is an essential part of our health

Discuss about health information exchanges in the niles

Discuss education and care services national regulations

How to determine if there is a quality issue

What inter-professional involvement needs to be considered

Why should contraception be a reproductive right

Problem regarding childhood education and care services

Request for Solution File

Ask an Expert for Answer!!

Basic Statistics: Determine the percentage of females

Reference No:- TGS0739196

Recent Questions Asked Basic Statistics

Q : What is the new pressure in the tank

Q : Determine final microstructure of a small specimen

Q : How large is the mass flow rate

Q : Find the air temperature inside the tires

Q : Determine the percentage of females

Q : How much time does it take if this is the only cooling load

Q : Find the magnetic field on any point on the z-axis

Q : Possible states of the economy

Q : Find volume and temperature at the state points of cycle

Asked Questions