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Mathematics

1 answer:

kirza4 [7]3 years ago

3 0

Well number one is an acute angle number two is obtuse and number three is obtuse

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Evaluate the rational expression. Express your answer as an integer, simplified fraction, or a decimal rounded to two decimal pl

Lady bird [3.3K]

Answer:

-3

Step-by-step explanation:

5 0

2 years ago

In testing hypotheses, which of the following would be strong evidence against the null hypothesis?

grigory [225]

Answer:

e. obtaining data with a small p-value.

Step-by-step explanation:

In the null hypothesis, we test if the mean respects certain condition, and on the alternate hypothesis, we test the opposite of the null hypothesis.

The decision depends on the pvalue:

If the pvalue is smaller than the level of significance, that is, the pvalue has small values, the null hypothesis is rejected, that is, it is strong evidence against the null hypothesis. Large pvalues do not give evidence against the null hypothesis.

So the correct answer is given by option e.

5 0

2 years ago

IF P(A)=1/3, P(B)=2/5, and P(AuB)=3/5, what is P(A^B)?

Bumek [7]

The probability of the union of two events is the sum of their probability, minus the probability of their interserction:

$P(A \cup B) = P(A) + P(B) - P(A \cap B)$