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Step2247 [10]
3 years ago
7

Two events, X and Y, are independent of each other. P(Y)= and P(X and Y)=. What is P(X) written as a decimal? Round to the neare

st tenth, if necessary.
Mathematics
1 answer:
kirill [66]3 years ago
6 0

Answer:

0.4

Step-by-step explanation:

For independent events,

P(X ∩ Y) = P(X)* P(Y)

=>

1/3 = P(X)*(5/6)

solve for P(X) =>

P(X) = (1/3)*(6/5) = 2/5 = 0.4

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) (60 minutes
Natalija [7]

Answer:

The correct answer is A

Step-by-step explanation:

plz brainlyest (:

7 0
2 years ago
Nicholas wants to buy a new computer that is on sale for $899. His parents will loan him the money if he repays them. He has $22
Afina-wow [57]

Answer:

20 days

Step-by-step explanation:

899- 225= 674

674÷ 35= 19.257....

which you would round it up to 20 because he would have to work the extra day because you need more than less.

8 0
3 years ago
Read 2 more answers
What is ∑n=15[5(−2)n−1] equal to?
kicyunya [14]

Answer:

Although the notation is sloppy, I will assume based on former questions of the same that "∑n=15[5(−2)^n−1]" translates mathematically to . Please correct me, though, if this in incorrect.

Anyway, there is neat formula that will deal with question very quickly. It is the following:

Sn is the sum of the geometric series

a1 is the first term in the series

r is the common ratio

n is the number of terms in the finite geometric series

Let's use this formula to our advantage! However, there are two variables that we do not know: a1 and n. Let's start with a1.The first term in the series is when n=1, so let's determine what that is.

6 0
2 years ago
The equation of the graphed line is x+2y=5. what is the x-intercept of the graph?
Stella [2.4K]
The x-intercept is where the graph crosses the x-axis. that happens when y=0.

x + 2(0) = 5
x = 5

x-intercept is 5
4 0
3 years ago
9. A rectangular shoebox is 14 inches long by 8 inches wide by 6 inches tall.
andreyandreev [35.5K]

Answer:

J 672 cubic inches

Step-by-step explanation:

The volume of a rectangular prism is

V = l*w*h

V = 14 inches * 8 inches * 6 inches

V =672 inches^3

3 0
3 years ago
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