Square root: 1/81 please

Mathematics

2 answers:

morpeh [17]4 years ago

5 0

Answer:

1/9

Step-by-step explanation:

DerKrebs [107]4 years ago

4 0

1/9 is the square root of 1/81 and your welcome....

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Studentka2010 [4]

QUESTION A

The probability of an event is calculated using the formula:

$P(E)=\frac{Number\text{ }of\text{ }favorable\text{ }outcomes}{Number\text{ }of\text{ }possible\text{ }outcomes}$

There are 4 nines in a standard deck of cards. Therefore, there are 48 cards that are not nines.

Since there are 52 cards, the probability is calculated to be:

$\begin{gathered} P=\frac{48}{52} \\ P=\frac{12}{13} \end{gathered}$

The probability is 12/13.

QUESTION B

Odds in favor of a particular event are given by the number of favorable outcomes to the number of unfavorable outcomes. The formula is written out to be:

$P(E)=\frac{Number\text{ }of\text{ }favorable\text{ }outcomes}{Number\text{ }of\text{ }unfavorable\text{ }outcomes}$

Since we have that the number of favorable outcomes is 48 and the number of unfavorable outcomes is 4, we have that the odds in favor are given to be: