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Sladkaya [172]
3 years ago
15

In a​ lottery, 6 numbers are randomly sampled without replacement from the integers 1 to 38. Their order of selection is not imp

ortant. Find the probability of holding a ticket that has zero winning numbers out of the 6 numbers selected for the winning ticket out of the 38 possible numbers.
Mathematics
1 answer:
inna [77]3 years ago
8 0

Answer: Our required probability is 0.328.

Step-by-step explanation:

Since we have given that

there is number on the lottery is from 1 to 38.

6 numbers are selected.

We need to find the probability of holding a ticket that has zero winning numbers out of the 6 numbers selected for the winning ticket.

So, it should be other than 6 numbers.

Remaining numbers = 38-6 = 32

So, our probability becomes

\dfrac{^{32}C_6}{^{38}C_6}\\\\=\dfrac{906192}{2760681}\\\\=0.328

Hence, our required probability is 0.328.

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A medical researcher needs 6 people to test
nadezda [96]

\boldsymbol{\mathbf{Answer}}

\boldsymbol{\mathbf{1235520\,different\, ways\,can\,six\, people\,be\, selected}}

\boldsymbol{\mathbf{Step-by-step explanation}}

A medical researcher need to select 6 people out of 13 people who have volunteered for the test in

To find, how many ways can 6 people be selected.

= {13}\times{12}\times{11}\times{10}\times{9}\times{8}

=

\boldsymbol{\mathbf{= 604800 ways}}

\boldsymbol{\mathbf{1235520\,different\, ways\,can\,six\, people\,be\, selected}}

4 0
3 years ago
You have a coupon for $5 off your total bill at Mama's Meals on Main a. How much will you pay after using the coupon if your bil
HACTEHA [7]

Answer :

(a) Amount paid after using the coupon = $b - $5 = $(b-5)

(b) Amount paid = $23.45 - $5 = $(23.45-5) = $18.45

Amount paid = $54.83- $5 = $(54.83-5) = $49.83

Step-by-step explanation :

As we are given that:

Amount of coupon = $5

If amount of total bill = $b

Now we have to calculate the amount paid after using the coupon.

Amount paid after using the coupon = Total amount of bill - Amount of coupon

Amount paid after using the coupon = $b - $5 = $(b-5)

Now we have to calculate the amount paid if bill was $23.45.

Amount paid after using the coupon = Total amount of bill - Amount of coupon

Amount paid = $23.45 - $5 = $(23.45-5) = $18.45

Now we have to calculate the amount paid if bill was $54.83.

Amount paid after using the coupon = Total amount of bill - Amount of coupon

Amount paid = $54.83- $5 = $(54.83-5) = $49.83

6 0
3 years ago
What number would complete the pattern 16,4,12,36,9,27,44,11
lara31 [8.8K]
<span>This isn't very difficult to figure out, you just need to look at these numbers in pairs. So, 16 minus 4 is 12. Then the next pair of numbers, 36 minus 9 is 27. And to complete the pattern, you just have to look at the final pair: 44 minus 11 is 33. So the number that would complete the pattern is 33.Hope this helps. Let me know if you need additional help!</span>
6 0
3 years ago
The difference between eight times a number and three is = to negative nineteen what is the number
jek_recluse [69]
The answer here is -3
3 0
3 years ago
Help me please this will help my grade !
Sauron [17]

Answer: A (I think)

Step-by-step explanation: it would be left of 9 since it’s 8.77496438739

81 square rooted is 9 so 77 square rooted is less than 81 square rooted

And a number line counts up the more you go right.

5 0
3 years ago
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