Please solve this question

2022-01-04

please solve this question as soon as possible 

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asked 2021-08-12
Please assist with this probability question for discrete mathematics.
A class with n kids lines up for recess. The order in which the kids line up is random with each ordering being likely. There are two kids in the class named Betty and Mary. The use of the word "or" in the description of the events, should be interpreted as the inclusive or. That is "A or B" means that A is true, B is true, or both A and B are true.
What is the probability that Betty is first in line or Mary is last in line as a function of n? Simplify your final expression as much as possible and include an explanation of how you calculated this probability.
asked 2021-11-21
What are the transformations? Please do not graph. I've already had a question wasted due to the problem being graphed and I still do not know what the transformations are
Graph transormations
To srah the function below, what transformations have been appied to f(x)?
a)-f(x-5)+2
b)f(-x-2)+3
asked 2021-09-17
Please, answer the question: if there is no association between the categorical variables, which of the following is true?
a) The observed counts in the two-way table should be close to the expected points.
b) The observed counts in the two-way table will be different from the expected points.
c) The chi-square statistic will have a large value and the observed counts in a two-way table will be very different from the expected points.
d) The chi-square statistic will have a large value.
asked 2021-12-04
Solve this question \(\displaystyle{y}=\frac{{4}}{{x}}+\sqrt{{{x}+{0.2}−{5}{x}}}\)
asked 2021-11-20
Please, solve this for me:
\(\displaystyle{\ln{{\left(-{1}\right)}}}={i}\pi\);
and \(\displaystyle{\ln{{\left(-{x}\right)}}}={\ln{{x}}}+{i}\pi\) for \(\displaystyle{x}{>}{0}\) and \(\displaystyle{x}\in{R}\)
asked 2021-09-11
Solve this system, please.
\(\displaystyle{\left\lbrace\begin{array}{ccccc} {4}{x}&+&{5}{y}&=&-{4}\\{3}{x}&+&{8}{y}&=&-{20}\end{array}\right.}\)
asked 2021-09-09
Solve this system, please.
\(\displaystyle{\left\lbrace\begin{array}{ccccc} {2}{x}&=&{10}&-&{y}\\{3}{x}&-&{y}&=&{5}\end{array}\right.}\)
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