a. Assume that the selections are made with replacement. Are the events independent?
Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter11: Data Analysis And Probability
Section11.1: Stem-and-leaf Plots And Histograms
Problem 10E
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Question
74 and 75 solve both plz
Transcribed Image Text:Use the data in the following table, which summarizes blood groups and Rh types for randomly selected subjects. Assume that subjects are randomly selected from those included in the
table.
Blood Groups
A
В
AB
Blood
Rh*
67
58
37
16
Туpes
Rh
16
14
4
2
If two people are selected, find the probability that they are both type Rh* in parts (a) and (b) below.
a. Assume that the selections are made with replacement. Are the events independent?
The probability is. The events
independent because the occurrence of the first subject having blood type Rh
affect the probability of the occurrence of the
second subject having blood type Rh*
(Round to three decimal places as needed.)
b. Assume the selections are made without replacement. Are the events independent?
The probability is . The events
independent because the occurrence of the first subject having blood type Rh
V affect the probability of the occurrence of the
second subject having blood type Rh*
(Round to three decimal places as needed.)
Transcribed Image Text:Find the indicated IQ score. The graph to the right depicts IQ scores of adults, and those scores are normally distributed with a mean of 100 and a
standard deviation of 15.
Click to view page 1 of the table. Click to view page 2 of the table.
0.75
(...
The indicated IQ score, x, is
(Round to one decimal place as needed.)
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