Suppose the probability that a us resident has traveled to Canada is 0.13, to Mexico is dog; and to both countries is 0.04. Matcn tire events with the
probability that an American chosen at random has 0 14 '
traveled to Canada but not Mexic
Let A and B be arbitrary events. Match the following events with their denitions.
cfw_A n B) U cfw_Ac I'i B) At least one ofthe two events cfw_A or E] happens.
0 = AUB Event (3 that oniy A or only Boccur
cfw_A U B) U [A n BC Anything except items in B may
The three most popular options on a certain type of new car are a builtin GPS cfw_A, a sunroof cfw_B, and an automatic transmission [(2). There are 1000 car
purchasers in a town. If 40% of all purchasers request A, 55% request B, 70% request C, 63% reques
a) Using the North Carolina data set posted on week six of CCLE.
ncbirths <- read.delim("~/Desktop/births.txt")
Gender Premie LowBirthWeight Birthw
The objective of a study was to find out whether there was any relationship between level of education
(high school, four year college, and graduate work) and attitude toward pre-screening for breast
cancer (i.e., going for mammograms)
sum of square
/ 14F-STATS101A-2 / Week 3 / Quiz # 1 Due Monday Oct. 20, 2014 @ 9:00 AM
Points out of 1.00
A researcher wants to predict annual income from the years of experience on the job. She finds the coefficient of
Statistics 101A- Fall 2016
Part one: Using the UCLA stress echo data set (this data set and its description
is posted on week eight of CCLE).
Using R conduct two-way ANOVA using maximum heart rate as the outcome
variable, gender with diagnosi
What you need to know for our midterm?
Calculations/interpretations within contexts/plots
Correlation and covariance
Different sums of squares
T test of the slope
T test of the intercept
Standard error of the residual
Two voters. Al and Bill, are each choosing between one of three candidates1. 2. and 3who are running for city' council. An experimental outcome species
both Als choice and Bilrs choice, e_g_. the pair cfw_3,2.
The sample Space 3 of this experiment is cfw_