A First Course in Probability (10th Edition)
A First Course in Probability (10th Edition)
10th Edition
ISBN: 9780134753119
Author: Sheldon Ross
Publisher: PEARSON
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Concept explainers

Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as p…
Question

grace has a biased 5 sided spinner 

6 Grace has a biased 5-sided spinner. orange pink green red blue Grace is going to spin the arrow on the spinner once. The table below gives the probabilities that the spinner will land on red or on blue or on green. Colour Red Blue Green Orange Pink Probability 0.20 0.12 0.08 The probability that the spinner will land on orange is 3 times the probability that the spinner will land on pink. (a) Work out the probability that the spinner will land on orange. Probability- (3) Grace spins the arrow on the spinner 150 times. (b) Work out an estimate for the number of times the spinner lands on blue. (2) mar arks)
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Transcribed Image Text:6 Grace has a biased 5-sided spinner. orange pink green red blue Grace is going to spin the arrow on the spinner once. The table below gives the probabilities that the spinner will land on red or on blue or on green. Colour Red Blue Green Orange Pink Probability 0.20 0.12 0.08 The probability that the spinner will land on orange is 3 times the probability that the spinner will land on pink. (a) Work out the probability that the spinner will land on orange. Probability- (3) Grace spins the arrow on the spinner 150 times. (b) Work out an estimate for the number of times the spinner lands on blue. (2) mar arks)
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