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rosijanka [135]
3 years ago
7

A die with faces numbered 1 to 6 is rolled once .what is the probability of obtaining 1 or 4​

Mathematics
2 answers:
Radda [10]3 years ago
4 0

Answer:

the answer is 2/6

Step-by-step explanation:

2 chances out of 6 events.

bonufazy [111]3 years ago
3 0
<h3>Answer:</h3>

\large\boxed{2/6\,\, \text{chance of obtaining a 1 or 4}}

<h3>Step-by-step explanation:</h3>

In this question, we're trying to find the probability of a dice landing on 1 or 4.

In this case, we know that:

  • The die has 6 faces (1-6)
  • Rolled once

With the information above, we can find the probability.

We know that we're trying to obtain either a 1 or 4, so there would be 2 chances of getting those.

We also know that there are 6 sides in total, so that means that 2 out of the 6 sides is either a 1 or 4.

To put it together, we would have 2/6 chance of obtaining a 1 or 4.

(If you have to simplify it, it would be 1/3)

<h3>I hope this helped you out.</h3><h3>Good luck on your academics.</h3><h3>Have a fantastic day!</h3>
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200 students in a high school senior class are surveyed about what majors they intend to declare in college. Of the 200 students
True [87]

Answer:

  • <u><em>P(M) = 0.4</em></u>

Explanation:

<u>1. Build a two-way frequency table:</u>

To have a complete understanding of the scenary build a two-way frequency table.

  • <u>Column and rows:</u>

                                  Major in math    No major in math  Total

Major in CS

No major in CS

Total

  • <u>200 students:</u>

                                  Major in math    No major in math  Total

Major in CS

No major in CS

Total                                                                                      200

  • <u>80 plan to major in mathematics:</u>

                                  Major in math    No major in math  Total

Major in CS

No major in CS

Total                              80                                                   200

  • <u>100 plan to major in computer science</u>:

                                  Major in math    No major in math  Total

Major in CS                                                                           100

No major in CS

Total                              80                                                   200

  • <u>30 plan to pursue a double major in mathematics and computer science</u>:

                                  Major in math    No major in math  Total

Major in CS                  30                                                      100

No major in CS

Total                              80                                                    200

  • <u>Complete the missing numbers by subtraction</u>:

                                  Major in math    No major in math  Total

Major in CS                   30                              70                 100

No major in CS                                                                     100

Total                              80                             120                200

                                  Major in math    No major in math  Total

Major in CS                   30                              70                 100

No major in CS             50                              50                 100

Total                              80                             120                200

<u>2. What is P(M), the probability that a student plans to major in mathematics?</u>

  • P(M) = number of students who plan to major in mathematics / number of students

  • P(M) = 80 / 200 = 0.4
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