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Masteriza [31]
3 years ago
7

There is a spinner with 14 equal areas, numbered 1 through 14. If the spinner is spun one time, what is the probability that the

result is a multiple of 4 or a multiple of 6?
Mathematics
2 answers:
algol133 years ago
6 0
The probability is 3/14. There are 2 multiples of 4 in 14, which is 8 and 12. There is only 1 multiple of 6 in 14 which is 12. 1+2=3. It is possible outcomes over total outcomes so 3/14.
Makovka662 [10]3 years ago
4 0

Answer: \frac{2}{7}

Step-by-step explanation:

Given: Total  numbers on spinner = 14

Multiples of 4 on the spinner =4,8,12

Multiples of 6 on the spinner = 6,12

Therefore, Multiples of 4 and 6 on the spinner =4,8,6,12

Now, the probability that the result is a multiple of 4 or a multiple of 6 is given by :-

\text{P(multiple of 4 or 6 )}=\frac{\text{Number of multiples of 4 or 6}}{\text{Total multiples}}\\\\=\frac{4}{14}=\frac{2}{7}

Hence,  the probability that the result is a multiple of 4 or a multiple of 6 =\frac{2}{7}

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hodyreva [135]

Answer:

k=57

Step-by-step explanation:

Multiply both sides by 5

k-2=55

Move the constant to the right-hand side and change its sign

k=55+2

k=57

8 0
3 years ago
Assume that the readings at freezing on a batch of thermometers are normally distributed with a mean of 0°C and a standard devia
lesya692 [45]

Answer: P(x > - 0.23) = 0.41

Step-by-step explanation:

Since we are assuming that the readings at freezing on a batch of thermometers are normally distributed, we would apply the formula for normal distribution which is expressed as

z = (x - µ)/σ

Where

x = the readings at freezing on a batch of thermometers.

µ = mean temperature reading

σ = standard deviation

From the information given,

µ = 0°C

σ = 1.00°C

the probability of obtaining a reading less than -0.23°C is expressed as

P(x > - 0.23)

For x = - 0.23

z = (- 0.23 - 0)/1 = - 0.23

Looking at the normal distribution table, the probability corresponding to the z score is 0.41

7 0
3 years ago
Find the sum of the following fractions. Your answer needs to be a mixed number in simplest form: 4/5 + 2/9
Alex73 [517]

Answer:

1 1/45

Step-by-step explanation:

4 0
3 years ago
A dump truck can hold 2¼ tons of gravel. The pay loader loading the truck puts 750 pounds of gravel in the truck at one time. Ho
poizon [28]

Answer:

6 loads would be required to fill the truck with 2¼ tons

Step-by-step explanation:

1 ton= 2000 pounds

2¼ tons= 4500 pounds

4500/750=6

Please allow me to know this helped by clicking thank you, rating or brainly.

Thank you,

Miss Hawaii

3 0
3 years ago
: A personal computer manufacturer buys 36% of its chips from Japan and the rest from the United St...
meriva

Answer: 0.9862

Step-by-step explanation:

Given : The probability that the chips belongs to Japan: P(J)= 0.36

The probability that the chips belongs to United States : P(U)= 1-0.36=0.64

The proportion of Japanese chips are defective : P(D|J)=0.017

The proportion of American chips are defective : P(D|U)=0.012

Using law of total probability , we have

P(D)=P(D|J)\times P(J)+P(D|U)\times P(U)\\\\\Rightarrow\ P(D)=0.017\times0.36+0.012\times0.64=0.0138

Thus , the probability that chip is defective = 0.0138

Then , the probability that a chip is defect-free=1-0.0138=0.9862

3 0
3 years ago
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