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Salsk061 [2.6K]
3 years ago
10

Mathematical phrases

Mathematics
2 answers:
Reil [10]3 years ago
7 0

Answer:

Sum

Difference

product

square root

Quotient

Mashutka [201]3 years ago
7 0

Answer:

PEMDAS

Step-by-step explanation:

P(Arenthesis)

E(xponents)

M(ultiply)

D(Ivide)

A(dd)

S(ubtract)

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1. consider a lottery with three possible outcomes: $125 will be received with probability 0.25, $100 will be received with prob
tigry1 [53]

The lottery's anticipated worth is $80.

Given that,

The probability of receiving $125 is 0.25; the likelihood of receiving $100 is 0.3; and the likelihood of receiving $50 is 0.45.

A) EV=125*.2+100*.3+50*.5=$80

The lottery's anticipated worth is $80.

The expected value is obtained by multiplying each result by its likelihood.

The expected value of the lottery is then calculated by adding up all of these.

This is what we have: ;;

125(0.2) + 100(0.3) + 50(0.5) (0.5)

= 25 + 30 + 25 = $80

B) This is the formula for variance is shown in figure :

So, we can calculate the variance as follows:

.2*(125-80)^2+.3*(100-80)^2+.5*(50-80)^2=975

C) A risk-neutral person would pay $80 or less to play the lottery.

To learn more about probability click here:

brainly.com/question/14210034

#SPJ4

4 0
2 years ago
Read 2 more answers
A jar contains nine blue marbles, eight yellow marbles, 11 black marbles, and 12 red marbles.
Serga [27]

Answer:

0

Step-by-step explanation:

0, because there are no white marbles in the jar. So it is impossible.

8 0
4 years ago
(01.02 MC)Maya is showing her work in simplifying (5.2 − 4.5) − 5.5 + 4.8. Identify any error in her work or reasoning. Step 1:
steposvetlana [31]
I think it's the third one b/c the associative property states that it doesn't matter how you group the numbers in parenthesis in addition.
3 0
3 years ago
Read 2 more answers
HELP ITS OVER DUE !!!
gtnhenbr [62]

Answer:


Step-by-step explanation:


8 0
3 years ago
Determine the equation of a line in standard form that represents alanas training progress. Her progress points corresponds to t
elixir [45]

Answer:

The equation of the line passing through the above points is:

y=-\frac{1}{2}x+\frac{29}{2}

Step-by-step explanation:

Given:

The two points are: (x_1,y_1)=(1,14)\textrm{ and }(x_2,y_2)=(9,10)

The equation of a line when two points are given is:

y-y_1=\left (\frac{y_2-y_1}{x_2-x_1} \right )(x-x_1)

Plug in all the values and simplify.

y-14=\left (\frac{10-14}{9-1} \right )(x-1)\\y-14=\left (\frac{-4}{8} \right )(x-1)\\y-14=-\frac{1}{2}(x-1)\\y-14=-\frac{1}{2}x+\frac{1}{2}\\y=-\frac{1}{2}x+\frac{1}{2}+14\\\\\\y=-\frac{1}{2}x+\frac{29}{2}

Therefore, the equation of the line passing through the above points is:

y=-\frac{1}{2}x+\frac{29}{2}

8 0
4 years ago
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