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snow_tiger [21]
4 years ago
10

A manufacturing machine has a 7% defect rate. if 5 items are chosen at random, what is the probability that at least one will ha

ve a defect? mhf
Mathematics
1 answer:
tekilochka [14]4 years ago
8 0

Answer:

30.4%

Step-by-step explanation:

Probability that the 5 chosen are not defective = (1 - 0.07)^5

= 0.93^5

= 0.696

So the probability that there is at least one defective = 1 - 0.696

= 0.304

= 30.4 %

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For what real values of s is x^2 + sx + 144 the square of a binomial?
PolarNik [594]

Answer:

The require value for s is 24.

Step-by-step explanation:

We are given that the expression x² + sx + 144 and we have to make it a square of a binomial.

Hence, we have to find the value of s for this purpose.

Now, let us assume that (x + 12)² = x² + sx + 144

⇒ x² + 24x + 144 = x² + sx + 144

⇒ 24x = sx

⇒ s = 24

Therefore, the require value for s is 24. (Answer)

5 0
3 years ago
Here are the prices, rounded to the nearest dollar, of the most frequently purchased gifts in a gift store.
Mariulka [41]
An outlier is a datapoint outside of the first or third quartile +/- 1.5 the inter quartile range

25 33 39 40 41 41 45 46 48 49 51 52 67 73 79

46 is at the center-> median
everything left of it:
25 33 39 40 41 41 45
40 at center=Q1
right of Q2:
48 49 51 52 67 73 79
52 at center=Q3

IQR=Q3-Q1=52-40=12

Q1-1.5*IQR=40-1.5*12=40-18=22
Q3+1.5*IQR=52+1.5*12=52+18=60

so everything <22 or >60 are outliers

so 67,73 and 79 are outliers
4 0
3 years ago
Find the surface area of the pyramid. A pyramid has a square base and 4 edges that each rise from one vertex of the square base
fredd [130]

Answer:

767 in ^2

Step-by-step explanation:

To find the area of a square base, you multiply 17 by 17 (side lengths) to get 289.

To get the area of the other faces, you do 1/2 * 17 * 14 (triangle area formula) to get 119

Since there are four other faces, multiply 119 by 4 to get 476, and add 476 with 289 to get 767

7 0
3 years ago
Can someone help me please
ss7ja [257]

Answer:I think it’s c

Step-by-step explanation:

3 0
3 years ago
Can someone help me out ? Please
GuDViN [60]
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3 years ago
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