Please refer to the picture!!

Mathematics

1 answer:

faltersainse [42]3 years ago

8 0

1. rational

2. rational

3. irrational

4. rational

hope this helps :))

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Crackers were on sale 2 for 5.50. I bought three packs, How much did I spend?

MrRissso [65]

Answer:

6.75

Step-by-step explanation:

2 crackers=5.50

1 cracker=5.50÷2

=2.25

3 crackers=2.25×3

=6.75

8 0

3 years ago

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g In cross-tabulation, one of the tests used to evaluate the statistical association between two categorical or ordinal variable

Lena [83]

Answer:

The Chi-square test of independence

Step-by-step explanation:

The answer to this question is the Chi-square test of independence because it is what is used to determine the existence of an association between nominal/categorical variables. This test is non parametric in nature and it can also be called the chi square test of association.

The data is tabulated. each row is a representation of the category for one of the variables and each column is for the other variable.

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3 years ago

The probability of a getting a new sales contract with any given client is 0.29. A sales representative works with 18 clients th

Radda [10]

Answer:

The expected number of contracts the sales representative will get this week is 5.22

Step-by-step explanation:

For each client, there are only two possible outcomes. Either there is a sales contract, or there is not. The probability of having a sale contract with each client is independent of other clients. So we use the binomial probability distribution to solve this problem.

Binomial probability distribution

Probability of exactly x sucesses on n repeated trials, with p probability.

The expected value of the binomial distribution is:

$E(X) = np$