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aliya0001 [1]
3 years ago
11

USA Silver Medals

Mathematics
2 answers:
skelet666 [1.2K]3 years ago
8 0

Answer:

1) The mean is actually 31

2) True, the mean would be about 35.

3) True, the mean would change because more medals were added for the USA.

4) True, the mean would be effected because two is added. It results in a increase

LenKa [72]3 years ago
5 0
Jdncjeicmjdmjxmddjjdxjdnx 23 +=
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Convert ratio 37 : 500 into percentage​
EleoNora [17]

Answer:7.4%

Step-by-step explanation:

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3 years ago
PLS help.........................
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Answer:

1. $3.65

2. 4th graph

3. y = 1/2x

Step-by-step explanation:

1.

10.95 ÷ 3 = 3.65

2.

The fourth option (one on the bottom) makes the most sense.

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3 years ago
11 divided by 634 in long division
Anni [7]
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3 0
3 years ago
Read 2 more answers
An ordinary deck of playing cards has 52 cards. There are four suitslong dash—​spades, ​hearts, diamonds, and clubslong dash—wit
aalyn [17]

Answer:

P(King) = 4/52 = 1/13

Step-by-step explanation:

As we know there are 52 cards in total from 2 to 10, and King, Queen, Jack, and Ace, with each of them are equal in numbers which is 4.

Total Number of Kings in the Deck of Cards  = 4

P(King) = Number of Kings/Total Number of Cards

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3 0
3 years ago
According to a study done by a university​ student, the probability a randomly selected individual will not cover his or her mou
Margarita [4]

Answer:

a.  P(X=8)=0.0277

b.  P(X<4)=0.3460

c. No. P(X<8)=0.9605

Step-by-step explanation:

a. Let x denote the event.

This is a binomial probability distribution problem expressed as

P(X=x)={n\choose x}p^x(1-p)^{n-x}

Where

  • n is the total number of events
  • p is the probability of a success
  • x is the number of successful events.

Given that n=16, p=0.267, the probability of exactly 8 people not covering their mouths is calculated as:

P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\\\P(X=8)={16\choose 8}0.267^8(1-0.267)^8\\\\\\=0.0277

Hence, the probability of exactly 8 people not covering their mouths is 0.0277

b. The probability of fewer than 4 people covering their mouths is calculated as:

-We calculate and sum the probabilities of exactly 0 to exactly 3:

P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X

Hence, the probability of x<4 is 0.3460

c. Would you be surprised if fewer than half covered their mouths:

The probability  of fewer than half covering their mouths is calculated as:

P(X=x)={n\choose x}p^x(1-p)^{n-x}\\\\P(X

No. The probability of fewer than half is 0.9605 or 96.05%. This a particularly high probability that erases any chance of doubt or surprise.

3 0
3 years ago
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