If a coin is tossed twice, what is the probability of getting exactly one head and one tail? 1/4 1 point) 1/2 3/4

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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Pls help ASAP on both pls I BEG

If a coin is tossed twice, what is the probability of getting exactly one head and one
tail?
4
1/4
1
1/2
3/4
Transcribed Image Text:If a coin is tossed twice, what is the probability of getting exactly one head and one tail? 4 1/4 1 1/2 3/4
In which sampling method is every nth member of the population selected?
systematic random sampling
simple random sampling
cluster random sampling
stratified random sampling
Transcribed Image Text:In which sampling method is every nth member of the population selected? systematic random sampling simple random sampling cluster random sampling stratified random sampling
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Step 1: Understanding the problem
  1. A coin is tossed twice we have to find the probability that getting exactly one head and one tail
  2. In sampling method if every nth member of the population selected then which sampling method used 
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