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3 years ago

14

Explain how distribution can simplify a problem

1 answer:

Galina-37 [17]3 years ago

8 0

Because instead of having to multiply and divide you can just distribute and add to get you answer quicker

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The president of a bowling league wanted to estimate the average highest bowling score of all its 200 members. Instead of survey

Nikolay [14]

Answer:

Step-by-step explanation:

In statistics, whenever full population cannot be surveyed, a random sample can be taken and from the observations population behaviour can be estimated.

Here given that there are 200 members. Instead of collecting data from all 200, 20 members are randomly taken.

The sample mean x bar can be estimated to give an idea the population mean also.

ACcording to central value theorem, means of different samples will follow a distribution with mean = population mean and std deviation = std dev of sample/square root of n

Hence we fix confidence interval as Mean + or - Z critical * std error

This gives us an idea about within which means will lie for different samples and hence give an idea about population mean also.

6 0

4 years ago

Read 2 more answers

Show that 1 2/3 + 2 3/4 = 4 5/12

lozanna [386]

2/3x4 =8/12
3/4x3 =9/12

8/12+9/12=17/12
17/12=1 5/12

1+2+1 5/12 = 4 5/12

5 0

3 years ago

A larger grouper can weigh 1/3 ton. How much does a larger grouper weigh to the nearest pound

lilavasa [31]

Answer: 667 pounds

Step-by-step explanation:

1 US Ton is equivalent to 2,000 pounds.

If this larger grouper weighs 1/3 of a ton, it's weight in pounds will be:

= Weigh in tons * 2,000

= 1/3 * 2,000

= 666.67

= 667 pounds

3 0

4 years ago

Drag the tiles to the correct boxes to complete the pairs. Not all tiles will be used.

dalvyx [7]

Matching each equation of the plecewise function represented in the graph will be:

2 < x < 3 = 3 - x
0 < x < 2 = 1
x = 2 = x
3 < x < 5 = 5 - x

<h3>How to illustrate the information?</h3>

It should be noted that a domain simply means the set of inputs that are accepted by the function.

In this case, the equation of the piecewise function represented is given.

The graph is attached.

Learn more about equations on:

brainly.com/question/2972832

#SPJ1

7 0

2 years ago

A car traveled at a constant speed. The graph shows how far the car traveled, in miles, during a given amount of time, in hours.

snow_tiger [21]

Answer:

Step-by-step explanation:

A car traveled at a constant speed as shown in the graph.

Distance traveled is on the y-axis and duration of travel on the x-axis.

Point A(3.5, 210) shows,

Distance traveled = 210 miles

Time to travel = 3.5 hours

So the point (3.5, 210) shows the distance traveled by the car in 3.5 hours is 210 miles.

Slope of the line = speed of the car = $\frac{\text{Distance traveled}}{\text{Time}}$

= $\frac{210}{3.5}$

= 60 mph

Now we will find the speed of the car at another point B(1, 60).

If the speed of car is same as the point B as of point A, point B will lie on the graph.

Speed of the car at B(1, 60) = $\frac{\text{Distance traveled}}{\text{Time}}$

= $\frac{60}{1}$

= 60 mph

Hence, we can say that point B(1, 60) lies on the graph.

8 0

3 years ago