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brilliants [131]
3 years ago
10

A high school soccer team contains 7 juniors and 17 seniors. What is the ratio of the total number of players on the team to the

number of senior players?
Mathematics
1 answer:
vekshin13 years ago
3 0

2 to three juniors to one senior.


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The weight of people in a small town in missouri is known to be normally distributed with a mean of 154 pounds and a standard de
ad-work [718]
If a random sample of 20 persons weighed 3,460, the sample mean x-bar would be 3460/20 = 173 pounds.
The z-score for 173 pounds is given by:
z=\frac{173-154}{29}=0.655
Referring to a standard normal distribution table, and using z = 0.66, we find:
P(\bar x\ \textless \ 173)=0.7454
Therefore
P(\bar x\ \textgreater \ 173)=1-0.7454=0.2546
The answer is: 0.2546

4 0
3 years ago
In the probability distribution to the​ right, the random variable X represents the number of marriages an individual aged 15 ye
kodGreya [7K]

The table of the probability is missing, so i have attached it.

Answer:

μ = 0.919

The interpretation of this is that;on the average, an individual aged 15 years or older has been involved in 0.919 marriages.

Step-by-step explanation:

The expected value which is also called mean value is denoted by the symbol μ. It is defined as the sum of the product of each possibility x with it's probability P(x) as the formula;

μ = Σx.P(x) = (0 × 0.272) + (1 × 0.575) + (2 × 0.121) + (3 × 0.027) + (4 × 0.004) + (5 × 0.001)

μ = 0.919

Thus, the interpretation of this is that;on the average, an individual aged 15 years or older has been involved in 0.919 marriages.

5 0
3 years ago
Helppppppppppppppppp
Maksim231197 [3]

\huge \tt༆ Answer ༄

The respective terms used for the lines are ~

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  • b.) Line b = Radius

  • c.) Line c = Diameter

  • d.) Line d = Secant
3 0
2 years ago
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What is the slope of this line. Please see image below
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Answer:

-2

Step-by-step explanation:

I mean i use the slope formula m = (y_{2} - y_{1}) / (x_{2} - x_{1}) and you just plug in the values of the coordinates.  

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3 years ago
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Explain the rules for multiplication and division to convert units. How do you know when to multiply and when to divide to conve
yanalaym [24]

Answer:

To convert larger units to smaller units, multiply. When the units are smaller, you need more of them to express the same measure. To convert smaller units to larger units, divide. When the units are larger, you need fewer of them to express the same measure.

Multiply to convert larger units to smaller units.

Divide to convert smaller units to larger units.

When the units are smaller, you need more of them to express the same measure.

When the units are larger, you need fewer of them to express the same measure.

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3 years ago
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