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2 years ago

Find the number one-third of the way from 1/6 to 4/5.

Mathematics

1 answer:

masya89 [10]2 years ago

3 0

I got u with this it really easy

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A shipment of 50 inexpensive digital watches, including 10 that are defective, is sent to a department store. The receiving de

ddd [48]

Answer: 0.8926

Step-by-step explanation:

Given : A shipment of 50 inexpensive digital watches, including 10 that are defective.

The probability that a digital watch is defective $: p=\dfrac{10}{50}=0.2$

Sample size : n=10

Also, they reject the whole shipment if 1 or more in the sample are found defective.

Using the binomial probability formula :

$P(x)=^nC_xp^x(1-p)^{n-x}$

Let x be the random variable that represents the number of defective watches.

The probability that the shipment will be rejected :-

$P(x\geq1)=1-P(0)\\\\=1-^{10}C_0(0.2)^0(0.8)^{10}\\\\=1-(0.8)^{10}=0.8926258176\approx0.8926$

Hence, the probability that the shipment will be rejected = 0.8926

6 0

2 years ago

Help me with this please

Sonbull [250]

Answer:

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Step-by-step explanation:

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2 years ago

Find the measure in degrees of angle MKL. M N 155° ? КК 75° U L

saveliy_v [14]

Answer:

mMKL = 115°

Step-by-step explanation:

Using the property of intersecting chords in a circle, we have that one angle in the intersecting point is the average of the arcs intercepted by the angle and its vertical angle.

So, to find the measure of the angle MKL, we have:

mMKL = (1/2) * (mML + mNU)

mMKL = (1/2) * (155 + 75)

mMKL = (1/2) * (230)

mMKL = 115°

8 0

2 years ago

Glenn Andrews recently bought a new motorbike for $3,950. If he had to pay 6 percent sales tax on the bike, what was the total c

IRISSAK [1]

The answer is B.) 3,950*6% =237. 3,950+237= 4,187$

7 0

2 years ago

What is the area and circumfrence of 23.4km

Masteriza [31]

23.4 km is a length or distance.

Squares, rectangles, parallelograms, pentagons, ellipses,
and circles have areas. Circles also have circumferences.

Lengths and distances don't have any of these things.

Is the "23.4 km" related to a shape of some kind ?

7 0

2 years ago