Data set 31 "Garbage Weight" in appendix B list weights (lb) of plastic discarded by households. The highest weight is 5.28 lb, the mean of all of the weights is x= 1.911 lb and the standard...

Data set 31 "Garbage Weight" in appendix B list weights (lb) of plastic discarded by households. The highest weight is 5.28 lb, the mean of all of the weights is x= 1.911 lb and the standard...

1. Gender? 2. Favorite color? 3. Political party affiliation? 4. Number of hours of sleep/night? 5. Favorite holiday? 6....

The claim is that the proportion of peas with yellow pods is equal to 0.25 (or 25%). The sample statistics from one experiment include 400 peas with 82 of them having yellow pods. Find the value of...

A clinic claims that the average time taken by a patient to see the doctor from the appointment time is 30 minutes. A simple random sample of 35 patients is contacted the mean of the wait time for...

i am having a problem with that question please help me

A random sample is obtained from a population with μ=100 and σ=20 Calculate the standard error for a sample of size n = 4 Calculate the standard error for a sample of size n = 16 Calculate the standard...

For my stats class, we have to do probability. We had to create a survey. So I surveyed 32 people asking "Do you like chocolate?" I got 23 yes, and 9 no's. A success is people saying yes...

Company XYZ has 80 employees. Fifty of the employees are vegetarian, thirty of the employees own a Nissan Leaf and 10 of the employees are vegetarian that own a Nissan Leaf. If you randomly select...

You roll 10 dice and note the sum of this first roll. You keep the results of 3 dice, but roll the other 7 again, then noting the sum (of all 10 dice) of this second roll. You do this (throwing the...

A. The random combination of a few independent factors B. The random combination of many dependent factors C. The random combination of a few dependent factors D. The random combination...

In a July 2012 Gallup poll based on a representative sample of 1014 adult Americans, 48% reported drinking at least one glass of soda pop on a typical day. Now suppose that we test the null hypothesis...

In a study of exercise, a large group of male runners walk on a treadmill for 6 minutes. Their heart rates in beats per minute at the end vary from runner to runner according to the N(106,...

The scores of adults on an IQ test are approximately Normal with mean 100 and standard deviation 13. An organization requires an IQ score of 126 or higher for membership.

Use Table A to find the value z of a standard Normal variable that satisfies each of the following conditions. (Use the value of z from Table A that comes closest to satisfying the condition.) In...

74 5 66 6 81 8 52 11 73 12 62 15 52 16 45 17 62 18 46 18 60 19 46 20 38 20 y=31.934+(-0.304)x An ecologist uses the line, based on 13 colonies,...

The following data represent the number of people aged 25 to 64 years covered by health insurance (private or government) in 2003. Approximate the mean and standard deviation for age. Age...

The scores of adults on an IQ test are approximately Normal with mean 110 and standard deviation 17. An organization requires an IQ score of 144 or higher for membership. What percent of adults would...

the probability of a product failure is 0.5%, product success is 99.5% (this is not time dependent). how can I calculate the probability of this product failure over the course of the product life...

find the probability to get a pair

12-8.46/3