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charle [14.2K]
1 year ago
12

James conducted an experiment with 4 possible outcomes. He determined that the experimental probability of event A happening is

10 out of 50. The theoretical probability of event A happening is 1 out of 4. Which action is most likely to cause the experimental probability and theoretical probabilities for each event in the experiment to become closer? PLZ HAP
Mathematics
2 answers:
natulia [17]1 year ago
4 0

Answer:

Increase the number of trials to cause the experimental probability and theoretical probabilities for each event in the experiment to become closer.

Step-by-step explanation:

The probability of an event is computed by dividing the favorable outcomes by the total outcomes.

Experimental probabilities are obtained by conducting the experiment. Whereas the theoretical probabilities are computed using the theoretical values instead of actually conducting the experiment.

To get the the experimental probability and theoretical probability closer one can increase the number of trials.

In this case the experimental probability is, \frac{10}{50}=0.20

And the theoretical probability is, \frac{1}{4} = 0.25

To get the experimental probability closer to the theoretical probability the number of trials should be more than 4.

Neko [114]1 year ago
3 0
By completing the experiment a few more times and combining the results to the trails already done 
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Students are going through a three-step process to obtain their ID cards. Each student will spend 2 minutes at the registration
kondaur [170]

Answer:

C. 160 minutes

Step-by-step explanation:

The calculation to be made will be to process 20 students

We have, according to the exercise, the following data:

For process 1: Registration table, Number of servers = 1, Time spent = 2 minutes

For process 2: cashier, number of servers = 3, time spent = 10 minutes

For process 3: ID processing station, number of servers = 4, time spent = 20 minutes

Demand rate = 0.125

To solve it, we will look for the capacity that the server has of the previously mentioned processes, calculating the following:

Capacity = Number of students served per minute

We can say that at the registration table we observe:

Time needed to serve 1 student = 2 minutes

Capacity = 0.5 students per minute

With the cashier we analyze the following:

Time needed to serve 1 student = 10 minutes

Number of servers = 3

Capacity = 0.3 students per minute

ID processing station

Time needed to serve 1 student = 20 minutes

Number of servers = 4

Capacity = 0.2 students per minute

When comparing the processes, it is definitely found that the bottleneck is the ID processing station, where it takes more time to serve a student, which leads us to infer that the capacity of the process is comparable to the capacity of the process bottleneck

Process capacity = 0.2 students per minute

Given, demand rate = 0.125 students per minute

We observe that the demand rate is less than the capacity of the process, therefore we can infer that the number of students served during each minute is the same as the demand rate.

In this way we find that:

Number of students served per minute = 0.125

Time needed to serve 1 student = 1 / 0.125 = 8 minutes

Time needed to serve 20 students = 8 x 20 = 160 minutes.

We conclude that the answer is that it will take 160 minutes to serve 20 students.

.

6 0
2 years ago
Read 2 more answers
chris can run at a constant speed of 12 km/h. How ling will it take him to run from his home to the park, a distance of 0.8 km?
densk [106]

Recall that distance = speed times time. Thus, time = distance / speed.

Here:

time = distance / speed = 0.8 km / 12 km/hr = 1/15 hr.

Note that 1/15 hr = 1/15 (60 min) = 4 minutes

8 0
2 years ago
Read 2 more answers
A professional writer decides to judge the value of her laptop by the number of times she presses
shusha [124]

Answer:

D.)

15040000 <= k <=19840000

Step-by-step explanation:

V = 1200 -0.00002k

Value V after one year falls in the range of $803.20 and $899.20.

Let's substract these values from 1200.

1200-803.20=396.80

1200-899.20=300.80

So it means that

0.00002k= 396.80

And

0.00002k= 300.80

So

0.00002k= 396.80

K= 396.80/0.00002

K= 19840000

And

0.00002k= 300.80

K = 300.80/0.00002

K= 15040000

So range is between

15040000 <= k <=19840000

7 0
2 years ago
Sarah and her friends are going blueberry picking. Sarah picks $b$ blueberries. Michael picks $3$ more than half as many as Sara
yKpoI14uk [10]
The correct answer is b=3+1/2 divided by 5+3 after that +10-3*5*3 . add the answers up and thats the solution
6 0
1 year ago
Perform the following computations. retail price of steel-belted radial tire = $89.50 discount offered = 10% federal tax = 12% l
RUDIKE [14]
For the answer to the question above
Retail price of steel-belted radial tire = $89.50 
Discount offered = 10% = $8.95 
Value before federal tax = $89.50 - $8.95 = $80.55 
Federal tax = 12%=$80.55(0.12) =$9.67 
Local sales tax = 5% =$80.55(0.05)=$4.03 

Selling price = $80.55 +$9.67+$4.03 =$94.25
I hope my answer helped you. Feel free to ask more questions. Have a nice day!
4 0
2 years ago
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