According to a recent survey about 33 of americans polled

Assignment Help Basic Statistics

Reference no: EM13645614

According to a recent survey, about 33% of Americans polled said that they would likely purchase reusable cloth bags for groceries in order to reduce plastic waste. Suppose 45 shoppers are interviewed a local supermarket.

a. Describe the sampling distribution for the sample proportion by naming the model and determining its mean and standard deviation.

b. What is the probability that no more than 28% of shoppers say that they are likely to purchase reusable cloth bags for groceries?

c. What is the probability that between 28% and 38% of shoppers say that they are likely to purchase reusable cloth bags for groceries?

d. A small business ships specialty homemade candies to anywhere in the world. Past records indicate that orders weigh an average of 118 grams with a standard deviation of 14 grams. Suppose a random sample of 50 current orders is selected and each weighed. What is the probability that the sample mean is greater than 120 grams?

Reference no: EM13645614

Questions Cloud

The small sphere starts at the top from rest what normal : a small sphere with a radius r 1.52cm and a mass m 13.8g rolls without slipping on the inside of a large fixed

Derive the differential equation to find the mole fraction : consider a long cylinder of porous material of radius r in which a gas a is being generated throughout the cylinder at

At the right end the track is horizontal and vertically at : a resting homogenous sphere starts at a vertical height h 45.6m above the floor at the upper end of a wavy track. it

Suppose that the turntable achieved its angular speed by : consider a small object at 3.72cm from the axis of a phonograph turntable that operates at 22.8 revmin .a assuming the

According to a recent survey about 33 of americans polled : according to a recent survey about 33 of americans polled said that they would likely purchase reusable cloth bags for

You decide to test the effectiveness using the drug and a : you decide to test the effectiveness using the drug and a placebo. you select a select a group of 500 subjects and

Determine a the final temperature in farenheit and final : a piston-cylinder assembly contains carbon monoxide modeled as an ideal gas with constant specific heat ratio k 1.4.

At the end of the compression stroke the air is at 800 k : at the beginning of the compression stroke the volume of a certain diesel engine cylinder is 1 liter and it is filled

What is the average price of a house in franklin county oh : what is the average price of a house in franklin county oh? we took a random sample of 100 houses and found the average

User Account

All Pages