Canister vacuums are often rated according to their ease of use, noise level, emissions, cleaning
ability and length of the power cord. The length (in feet) of the electric cord on a canister
vacuum is a random variable, X, with a uniform distribution on
The Quabbin Reservoir in Massachusetts is 18 miles long and has a capacity of 412 billion
gallons. The depth of the reservoir is carefully monitored and measured at certain locations and
times of day. In a random sample of 38 summer days, the depth (in fe
The weights of adult male rhesus monkeys are normally distributed, with a mean of 15 pounds and a standard
deviation of 3 pounds.
a. Find the probability that the monkeys weight is less than 13 pounds.
b. Find the probability that the monkeys weight is mo
A brake pad manufacturer claims its brake pads will last for = 38,000 miles with = 1000 miles.
You work for a consumer protection agency and you are testing this manufacturers brake pads.
Assume the life spans of the brake pads are normally distributed. Y
A recent study suggested that 75% of all meals marketed specifically to babies and toddlers and sold in grocery stores
had high sodium content. This is of deep concern because increased salt in the diet can cause hypertension, which
may lead to cardiovasc
The Columbus Dispatch (a newspaper) experimented with kicking a football filled with helium
instead of air. Below is the distance in yards that the football filled with helium was kicked.
Source: Elementary Statistics, 3rd ed, Larson and Farber
11 12 14 2
Discuss the difference between a parameter and a statistic. Provide examples to illustrate the
discussion. (10 pts)
A parameter refers to the descriptive measure of some characteristic of a population. These
characteristics include population mea
MM207 Final Project
Name: Bianca Carroll
1. Using the MM207 Student Data Set:
a) What is the correlation between student cumulative GPA and the number of hours spent
on school work each week? Be sure to include the computations or StatCrunch output to
MM207 Mid-Term Project
Name: Bianca Carroll
1. In the following situation identify the implied population.
A recent report on the weekly news presented the findings of a study on the
effectiveness of Onglyza, along with diet and exercise, for treating dia