Sum of interior angles of a triangle = 180
so
<span>third angle = 180 - 78 - 49 = 53
</span>
He payed a total of 25.96 because the tip was 3.96
In statistics, a Chi-squared test may be used to determine holiday choice and gender and α (alpha) is the response variable.
<h3>What is the Chi-squared test? </h3>
A statistical technique called the chi-square test is used to compare actual outcomes with predictions.
The goal of this test is to establish if a discrepancy between actual and predicted data is the result of chance or a correlation between the variables you are researching.
Whether there is a statistically significant association between categorical variables is determined by the Chi-square test of independence.
This issue is addressed by a hypothesis test. The chi-square test of association is another name for this assessment.
Hence,in stats would a test looking at gender & holiday preference yes you can do a Chi-squared test and α(alpha) is the response variable.
To learn more about the Chi-squared test refer;
brainly.com/question/14082240
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3yx-1
i think (the -1 is an exponent)
It would stop at 3y+4>11 because the 3y and 4 are unlike terms and can only be divided or multiplied.
