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ddd [48]
3 years ago
14

Amy rode her bike 180 miles in 6 days, how many miles did she ride in a DAY?

Mathematics
2 answers:
Ipatiy [6.2K]3 years ago
8 0
30. You’d do 180 divided by 6 :)
Anna11 [10]3 years ago
5 0

Answer:

30 miles

Step-by-step explanation:

you need to devide 180 by 6

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Suppose that in one metropolitan area, 25% of all home- owners are insured against earthquake damage. Four home-owners are to be
emmasim [6.3K]

Answer:

Step-by-step explanation:

Given that,

25% home owners are insecure of earthquake problem

If we select 4 home owners at random

let X denote the number among the four who have earthquake insurance

Let find the probability distribution of X

Let S- denotes a home owner who has insurance

Let F denotes a home owner who does not have insurance.

Then, P(S) =25% = 0.25

P(F) = 1 — P(S) = 1 —0.25

P(F) = 0.75

The possible outcomes of X is

X(0) = If no person has insurance

X(1) = If only 1 person has insurance

X(2) = If only 2 persons has insurance

X(3) = If only 3 persons has insurance

X(4) = If only 4 persons has insurance.

The cardinality of the sample space is n(C) = 2ⁿ = 2⁴ => 16

So, the sample space is given as

{FFFF, FFFS, FFSF, FFSS, FSFF, FSFS, FSSF, FSSS, SFFF, SFFS, SFSF, SFSS, SSFF, SSFS, SSSF, SSSS}

For X=0, the possible is {FFFF} i.e. no insurance, the one without insurance.

P(X) = 0.25×0.25×0.25×0.25

P(X) = 0.25⁴

P(X) = 0.00390625

For X=1, the possible outcome are

FFFS, FFSF, FSFF, SFFF

P(X=1) = 0.25³•0.75 + 0.25³•0.75 + 0.25³•0.75 + 0.25³•0.75

P(X=1) = 0.046875

For X=2 the possible outcomes are

FFSS, FSFS, FSSF, SFFS, SFSF, SSFF,

P(X=2)=0.25²•0.75²+0.25²•0.75²+ 0.25²•0.75²+ 0.25²•0.75²+ 0.25²•0.75²+ 0.25²•0.75²

P(X=2) = 0.2109375

For X=3 the possible outcomes are

FSSS, SFSS, SSFS, SSSF

P(X=3) = 0.25•0.75³+0.25•0.75³+ 0.25•0.75³+0.25•0.75³

P(X=3) = 0.421875

X=4 the possible outcomes are

SSSS

P(X=4) = 0.75×0.75×0.75×0.75

P(X=4) = 0.31640625.

Or

Using normal distribution

P(X=k) = ⁿCk • 0.25^k • 0.75^(4-k)

So,

P(X=0) = 4C0 • 0.25^0 • 0.75^4

P(X=0) = 0.31640625

P(X=1) = 4C1 • 0.25^1 • 0.75^3

P(X=1) = 0.421875

P(X=2) = 4C2 • 0.25^2 • 0.75^2

P(X=2) = 0.2109375

P(X=3) = 4C3 • 0.25^3 • 0.75^1

P(X=3) = 0.046875

P(X=4) = 4C4 • 0.25^4 • 0.75^0

P(X=4) = 0.00390625.

6 0
3 years ago
You want Brainliest help me plsss
yKpoI14uk [10]

Answer:

the slope in the equation is 5, while the slope on the graph is 2

3 0
3 years ago
Last month, Brooklyn worked 255 hours for $750 per hour at her job at the store. How much did she earn the last month
mixas84 [53]
She earned $191,250 last month
6 0
3 years ago
Read 2 more answers
Rachel has 90p. Simon has £2.
natulia [17]

Answer:

9:20 is the answers for the question

Step-by-step explanation:

please tell me your

6 0
3 years ago
Read 2 more answers
Right angled triangle calc: find a, b=24, c=33.94113
Ksenya-84 [330]
Use the Pythagorean theorem...
a²+b²=c², in this case a²=c²-b<span>²</span>

a²+24²=33.94113<span>²

a</span><span>²+576=1,152.00031

a</span><span>²=576.000306

a=24    (If you need the exact number, not rounded, it is 24.0000064)</span>
5 0
3 years ago
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