Grade 11 and 12 Mathematics (Moderator: geoffrey)

With individual lines at the checkouts, a store manager finds that the standard deviation for the ...

Started by charchew

When a fair coin is flipped 10 times, the probability distribution of the number of tails, x, is as ...

Started by daltonest1984

A tourist in France wants to visit 5 different cities. How many different routes are possible? A) ...

Started by silviawilliams41

In one town, monthly incomes for men with college degrees are found to have a standard deviation of ...

Started by piesebel

A class has 11 students who are to be assigned seating by lot. What is the probability that the ...

Started by viki

Describe in detail the sampling distribution of sample means. Refer specifically to the shape of the ...

Started by chads108

The income range of attendees at a research conference is gathered as upper, middle, and low ...

Started by james0929

Doctors measure the weights (in pounds) of preterm babies. What type of data is collected? A) ...

Started by nramada

Scientists classify the four major deserts in North America using different regions: the Great ...

Started by Frost2351

Biologists measure the water temperature of the Merrimack River in New Hampshire. What type of data ...

Started by khang

Which of the following are compared in a chi-square test of independence? a. Means from two ...

Started by bobthebuilder

The maximum value of a distribution is 18.8 and the minimum value is 7.1. Use the range rule of ...

Started by cdr_15

Tara has phone numbers for a random sample of people. She will call as many people as she can ...

Started by jhjkgdfhk

The following is a set of data showing the water temperature in a heated tub at different time ...

Started by renzo156

On each of the first twelve days of April, Miguel records whether or not it rains in New York City. ...

Started by londonang

The ages of the members of a gym have a mean of 42 years and a standard deviation of 12. Use the ...

Started by TVarnum

SAT verbal scores are normally distributed with a mean of 430 and a standard deviation of 120 (based ...

Started by moongchi

Under what conditions are you allowed to use the normal distribution to approximate the binomial ...

Started by 2125004343

A company performs quality control on its juice bottles. It finds that the volumes of juice in its ...

Started by jasdeep_brar

According to data from the American Medical Association, 10 of us are left-handed. Suppose groups of ...

Started by Zulu123

The systolic blood pressure of 18-year-old women has a bell-shaped distribution with a mean of 120 ...

Started by ghost!

At one college, GPA's have a bell-shaped distribution with a mean of 2.9 and a standard deviation of ...

Started by joesmith1212

Spinning a roulette wheel 7 times, keeping track of the winning numbers. A) Not binomial: the ...

Started by Deast7027

Find the coefficient of variation for the following sample of the normal monthly precipitation (in ...

Started by nenivikky

The data set below consists of the scores of 15 students on a quiz. For this data set, which measure ...

Started by fasfsadfdsfa