New weight-watchers company-weight reducers international

Reference no: EM13322187

A new weight-watchers company, Weight Reducers International, advertises that those who join will lose, on the average 10 pounds. A random sample of 50 people who joined the new weight reduction program revealed the sample mean loss to be 8 pounds with a sample standard deviation of 2.6 pounds. At the .05 level of significance, can we conclude that those joining Weight Reducers on average will lose less than 10 pounds?

Reference no: EM13322187

Questions Cloud

Part of an investigative study on supermarket advertising : Three supermarket chains in the New York area each claim to have the lowest overall prices. As part of an investigative study on supermarket advertising the New York Daily Post conducted a study. First, a random sample of nine (9) grocery items was s..

What is the probability that the period is more than 15 min : The van leaves as soon as 6 people have arrived. On average, 24 passengers arrive each hour. What is the probability that the period between bus department is more than 15 minutes.

Find maximum distance between televisionviewer and celebrity : A celebrity holds a press conference, which is televised live. A television viewer hears the sound picked up by a microphone directly in front of the celebrity, determine the maximum distance between the television viewer and the celebrity

Why do x components of reaction forces need to considered : Why do the X components of the reaction forces need to be considered when resolving the moment about point A

New weight-watchers company-weight reducers international : A new weight-watchers company, Weight Reducers International, advertises that those who join will lose, on the average 10 pounds. A random sample of 50 people who joined the new weight reduction program revealed the sample mean loss to be 8 pounds wi..

What mass is required to balanced the system : A uniform round tube of diameter 6.32 cm has two piston tops which are balanced at exactly the same height due to a mass (m) on the left side, What mass (m) is required to balanced the system

What mass should be placed on the second cylinder : A cylinder of radius 25 cm is filled with an ideal fluid, If the height of the two cylinders is exactly the same, what mass should be placed on the second cylinder to balanced the system

What points along the line of action of the force f : What points along the line of action of the force F_evec would simplify the calculation of M, the magnitude of the total moment due to the force F_evec about point O

What is the absolute pressure at the bottom of the lake : A lake is 28.3 meters deep at its deepest point. The density of water in the lake is 1000 kg/m^3. what is the absolute pressure at the bottom of the lake

User Account

All Pages