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kherson [118]
3 years ago
6

Probability questions??

Mathematics
2 answers:
olga2289 [7]3 years ago
5 0

the correct answer to question 1 is 1/8

lbvjy [14]3 years ago
4 0
<h2>Answer:</h2>

<u>Ques 1)</u>

The probability of heads-tails-heads is:

                            1/8

<u>Ques 2)</u>

The probability of two heads and one tail is:

                              3/8

<h2>Step-by-step explanation:</h2>

<u>Ques 1)</u>

When three coins are tossed in succession(i.e. one after the other)

Then the events are independent.

Since the happening of one event do not effect the other.

Hence, the probability of heads-tails-heads is:

=\dfrac{1}{2}\times \dfrac{1}{2}\times \dfrac{1}{2}\\\\\\=\dfrac{1}{2^3}\\\\\\=\dfrac{1}{8}

             Hence, probability is: 1/8

<u>Ques 2)</u>

When three coins are tossed together than the sample space is as follows:

{HHH , HHT , HTH , THH , TTT , TTH , HTT , THT}

There are a total of 8 outcomes.

Also, the number of outcomes that have two heads and one tail are: 3

Since the outcomes are: { HHT , THH , HTH }

        Hence, the probability of two head and one tail is:  3/8

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I don't understand how to solve this. Can someone help me?
Marat540 [252]

Answer: 62-48=14

Step-by-step explanation: therefor the bottom right hand corner is 14.

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7 0
3 years ago
Read 2 more answers
2 1/3 divided by y= -1.27272727<br> what does y equal
Semmy [17]

Answer:

-1.83337261989

Step-by-step explanation:

(2 1/3)/y=-1.272727

2 1/3 = -1.272727y

y=-1.83337261989

6 0
3 years ago
Customers at your store select their groceries from shelves and then pay. Sales records and records of restocks for Flaming Roas
ioda

Answer:

  • <em>The net change in how many bags are on the shelf, from the beginning of Tuesday to the end of Monday is -</em><u>2.</u>

Explanation:

The change in the number of bags any day is the number of bags is equal to the number of bags purchased to restock less the number of bags sold that day.

  • Change = bags purchased to restock - bags sold

At the end of <em>Tuesday</em>, the change is:

  • Restock:    6
  • Sales:        5
  • Change:    6 - 5 = 1    (note that this means that the number of bags increases by 1)

At the end of <em>Wednesday</em>, the change is:

  • Restock:    12
  • Sales:        8
  • Change:    12 - 8 = 4    (the number of bags increases by 4)

At the end of <em>Thursday</em>, the change is:

  • Restock:    12
  • Sales:        2
  • Change:    12 - 2 = 10    (the number of bags increases by 10)

At the end of <em>Friday</em>, the change is:

  • Restock:    18
  • Sales:        19
  • Change:    18 - 19 = - 1    (the number of bags decreases by 1).

At the end of <em>Saturday</em>, the change is:

  • Restock:    24
  • Sales:        22
  • Change:    24 - 22 = 2    (the number of bags increases by 2).

At the end of <em>Sunday</em>, the change is:

  • Restock:    0
  • Sales:        15
  • Change:    0 - 15 = - 15    (the number of bags decreases by 15).

At the end of <u>Monday</u>, the change is:

  • Restock:    0
  • Sales:        3
  • Change:    0 - 3 = - 3    (the number of bags decreases by 3).

The net change in how many bags are on the shelf, from the beginning of Tuesday to the end of Monday equals the algebraic sum of every change:

  • Net change = 1 + 4 + 10 + (-1) + 2 + (-15) + (-3)
  • Using associative property: (1 + 4 + 10 + 2) - (1 + 15 +3)
  • Simplifying: 17 - 19 = -2

<u>Conclusion</u>: the net change in how many bags are on the shelf, from the beginning of Tuesday to the end of Monday is -2, meaning that the number of bags, after taking into account all sales and restock, decreases by 2.

5 0
2 years ago
Change each fraction to a decimal. 1.) 67 2.) d38​
Maksim231197 [3]

Answer:

\frac{6}{7} = 0.857143 and \frac{3}{8} =  0.375

Step-by-step explanation:

5 0
2 years ago
There are 16 friends sharing for cupcakes if they divided the cupcakes even leave so that they get four pieces of a cupcake. how
Phantasy [73]
They need 64 pieces for each of them to receive four slices.
4 0
2 years ago
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