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2 years ago

Can someone help me plssss

Mathematics

2 answers:

lilavasa [31]2 years ago

8 0

Answer:

To get the answer you need to understand the differences between the two in order to use common sense to get the answer

First you’ve got to calculate the inequality which is based on the weather

then look at the multiple choice questions and see which one represents the problem the best and that is… C.

laiz [17]2 years ago

7 0

Answer:

D. w ≥ 70

Step-by-step explanation:

The math symbol that you will use for at least is ≥

At least means " no less than " or " greater than or equal to "

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Given that x is a hypergeometric random variable with Nequals10, nequals4, and requals6, complete parts a through d. a. Compu

sergey [27]

Answer:

a. 0.114

b. 0.005

c. 0.381

d. 0.00

Step-by-step explanation:

If x follows a hypergeometric distribution, the probability that x is equal to k is calculated as:

$P(x=k)=\frac{(rCk)*((N-r)C(n-k))}{NCn}$

Where k≤r and n-k≤N-r, Additionally:

$aCb=\frac{a!}{b!(a-b)!}$

So, replacing N by 10, n by 4 and r by 6, we get:

$P(x=k)=\frac{6Ck*((10-6)C(4-k))}{10C4}=\frac{6Ck*(4C(4-k))}{10C4}$

Then, the probability that x is equal to 1, P(x=1) is:

$P(x=1)=\frac{6C1*4C3}{10C4}=0.114$

The probability that x is equal to 0, P(x=0) is:

$P(x=0)=\frac{6C0*4C4}{10C4}=0.005$

The probability that x is equal to 3, P(x=3) is:

$P(x=3)=\frac{6C3*4C1}{10C4}=0.381$

Finally, in this case, x can take values from 0 to 4, so the probability that x is greater or equals to 5 is zero.

6 0

3 years ago

Anna went for a very long walk one sunny sunday afternoon. she walked for 3.5 hours going at a pace of 1.5 miles per hour

kati45 [8]

3.5 x 1.5 = 5.25 miles
(time x mph)

a) 5.25 miles

b) 3.28 meters

(5.25 ÷ 1.6)

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3 years ago

-2( -4x - 2 ) - 5x + 5 = -12

Sergio [31]

Answer:

use distributive and combine like terms

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4 years ago

Convert to decimal 5 3/7

ASHA 777 [7]

5 3/7<span> = 5.428571428571429 or 5.43</span>

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3 years ago

Read 2 more answers

How many ounces in a gallon

almond37 [142]

1 us liquid gallon =

127.998 us fluid ounces

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3 years ago