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kozerog [31]
3 years ago
5

In one day, 72 people take group tennis lessons at Cherry Hills Country Club. The club provides 9 lessons each day. If an averag

e of 120 tennis balls are used in each lesson, determine the average number of tennis balls used per person per lesson
Mathematics
1 answer:
Rina8888 [55]3 years ago
8 0

Answer ;

13

Step-by-step explanation:

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Help!!! I don’t understand how to do this
Olegator [25]

Answer:

85 degrees

Step-by-step explanation:

the sum of supplementary angles=180

155+ angle in the triangle=180

angle=180-155

angle=25 degrees

the sum of angles of triangle=180

25+60+x=180

85+x(inside triangle)=180

x=180-85

x=95

angle with (?):

the sum of supplementary angles=180

95+(?)=180

(?)=180-95

(?)=85 (An exterior angle of a triangle is equal to the sum of the opposite interior angles)

3 0
3 years ago
Which of the following Chi-Square tests can be used to determine if a data set follows a Normal distribution?
shepuryov [24]

Answer:

Answer = d. Chi-Square Goodness of Fit

Step-by-step explanation:

A decision maker may need to understand whether an actual sample distribution matches with a known theoretical probability distribution such as Normal distribution and so on. The Goodness-of-fit Test is a type of Chi-Square test that can be used to determine if a data set follows a Normal distribution and how well it fits the distribution. The Chi-Square test for Goodness-of-fit enables us to determine the extent to which theoretical probability distributions coincide with empirical sample distribution. To apply the test, a particular theoretical distribution is first hypothesized for a given population and then the test is carried out to determine whether or not the sample data could have come from the population of interest with hypothesized theoretical distribution. The observed frequencies or values come from the sample and the expected frequencies or values come from the theoretical hypothesized probability distribution. The Goodness-of-fit now focuses on the differences between the observed values and the expected values. Large differences between the two distributions throw doubt on the assumption that the hypothesized theoretical distribution is correct and small differences between the two distributions may be assumed to be resulting from sampling error.

6 0
3 years ago
What does Inductory mean
timofeeve [1]

Serving to induct or bring in; introductory

8 0
3 years ago
Plz somebody help me <br>​
Dennis_Churaev [7]

Answer:

Option 3

Step-by-step explanation:

It is the only one that increases by 8 just like the pattern

7 0
3 years ago
Read 2 more answers
................. is a factor of every number​
poizon [28]

Answer:

The answer is 1.

Step-by-step explanation:

One is the divisor of every integer. Or, every whole number is the product of 1 and itself

6 0
2 years ago
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