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KIM [24]
3 years ago
9

Please answer I’ll rate brainlyest

Mathematics
2 answers:
lisabon 2012 [21]3 years ago
6 0

Answer: A. \dfrac{8}{19}

B. \dfrac{5}{17}

Step-by-step explanation:

For any event A and B , the conditional probability of having B given that A is given by :-

P(A|B)=\dfrac{\text{P(A and B)}}{\text{P(b)}}

From the given table , the total number of players = 370

A. Number of players under 6 feet = 285

Then , the probability that a player is over 6 feet :-

\dfrac{285}{370}

Number of players that are under 6 feet and a forward = 120

Then , the probability that under 6 feet and a forward :-

\dfrac{120}{370}

Now, if it is given that Russell is 5'9" (under 6 feet), then the probability that he is a forward:-

\text{P(Forward}|\text{under 6 feet)}=\dfrac{\text{P(under 6 feet and forward)}}{\text{P(under 6 feet)}}\\\\\text{P(Forward}|\text{under 6 feet)}=\dfrac{\dfrac{120}{370}}{\dfrac{285}{370}}\\\\\\=\dfrac{120}{285}=\dfrac{8}{19}

B. Number of players over 6 feet = 85

Then , the probability that a player is over 6 feet :-

\dfrac{85}{370}

Number of players that are over 6 feet and guard = 25

Then , the probability that over 6 feet and guard :-

\dfrac{25}{370}

Now, if it is given that Peter is 6'2" (over 6 feet), then the probability that he is a guard :-

\text{P(Guard}|\text{over 6 feet)}=\dfrac{\text{P(over 6 feet and guard)}}{\text{P(over 6 feet)}}\\\\\text{P(Guard}|\text{over 6 feet)}=\dfrac{\dfrac{25}{370}}{\dfrac{85}{370}}\\\\\\=\dfrac{25}{85}=\dfrac{5}{17}

Otrada [13]3 years ago
4 0

Answer:

1. \dfrac{120}{285}=\dfrac{8}{19}

2. \dfrac{25}{285}=\dfrac{5}{57}

Step-by-step explanation:

1. Russell is 5'9'' (under 6 feet). There are 130+120+35=285 players with the height under 6 feet and 120 of them are forwards. The probability that Russell is a forward is

\dfrac{120}{285}=\dfrac{8}{19}

2.  Peter is 6'2'' (over 6 feet). There are 25+30+30=85 players with the height over 6 feet and 25 of them are guards. The probability that Peter is a guard is

\dfrac{25}{285}=\dfrac{5}{57}

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Answer:

The correct answer is Redbirds

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2 years ago
the theoretical probability that a man will have some form of color blindness is 8%,whereas the theoretical probability of a wom
lianna [129]

Answer:

If you have a group of 700 men, 56 will be color blind

Step-by-step explanation:

The theoretical probability that a man will have some form of color blindness is 8%.

Number of men in group = 700

Number of men with color blindness in a group of 700 men  

If you have a group of 700 men, 56 will be color blind

Croscheck 8% of 700 is 56

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2 years ago
There is a set of 12 cards numbered 1 to 12. A card is chosen at random. Event A is choosing a number less
kaheart [24]

The number of permutations of picking 4 pens from the box is 30.

There are six different unique colored pens in a box.

We have to select four pens from the different unique colored pens.

We have to find in how many different orders the four pens can be selected.

<h3>What is a permutation?</h3>

A permutation is the number of different arrangements of a set of items in a particular definite order.

The formula used for permutation of n items for r selection is:

    ^nP_r = \frac{n!}{r!}

Where n! = n(n-1)(n-2)(n-3)..........1 and r! = r(r-1)(r-2)(r-3)........1

We have,

Number of colored pens = 6

n = 6.

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Applying the permutation formula.

We get,

= ^6P_4

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=(6x5x4x3x2x1 ) / ( 4x3x2x1)

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Thus the number of permutations of picking  4 pens from a total of 6 unique colored pens in the box is 30.

Learn more about permutation here:

brainly.com/question/14767366

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Answer:

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Step-by-step explanation:

Synthetic division is the fastest way in which to carry out this division.

The divisor (x - 1) from long division corresponds to the divisor 1 in synthetic division.  Setting up synthetic division, we get:

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                     1      -2     -12

      --------------------------------

             1      -2     -12      12

The first three digits {1, -2, -12} are the coefficients of the quotient, and 12 represents the remainder:

The quotient is 1x^2 - 2x - 12 and the remainder is 12.

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