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IceJOKER [234]
3 years ago
8

Average age of scouts at scout jamboree?

Mathematics
1 answer:
Olegator [25]3 years ago
4 0
Scout jamboree is an event every four years where boys scouts from different areas are enjoined in a camp for a number of days to bond and to develop skills through activities mentally, physically and most importantly, socially. Historically, in<span>n 1949, the average age of  scouts who were joining the camp was 14.6 years. while it ramped up to 17.35 years old when it reached in 2016.</span>
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In a production process, the probability of manufacturing a defective rear view mirror for a car is 0.075. Assume that the quali
Leviafan [203]

Answer:

The probability that the 3rd defective mirror is the 10th mirror examined = 0.0088

Step-by-step explanation:

Given that:

Probability of manufacturing a defective mirror = 0.075

To find the probability that the 3rd defective mirror is the 10th mirror examined:

Let X be the random variable that follows a negative Binomial expression.

Then;

X \sim  -ve  \ Bin (k = 3 , p = 0.075)\\ \\ P(X=x)= \bigg (^{x-1}_{k-1}\bigg)\times P^k\times (1-P)^{x-k}

= \bigg (^{10-1}_{3-1}\bigg)\times 0.075^3\times (1-0.075)^{10-3}

= \bigg (^9_2\bigg)\times 0.075^3\times (1-0.075)^{7}

= \dfrac{9!}{2!(9-2)!}\times 0.075^3\times (0.925)^{7}

= \dfrac{9*8*7!}{2!(7)!}\times 0.075^3\times (0.925)^{7}

= 0.0087999

≅ 0.0088

5 0
2 years ago
The diameter of a circle is 4 cm. Which equation can be used to find its circumference?
Leya [2.2K]

Answer:

pi times 4

Step-by-step explanation:

Circumference: pi times diameter (pi)(d) or pi times 2 times the radius (pi)(2r)

5 0
3 years ago
Read 2 more answers
What is the slope of the line that passes through the points (1,7) and (-4,-8)?
Aleksandr [31]

Answer:

D. 3

Step-by-step explanation:

To find the slope of a line, we can use the equation y2-y1/x2-x1=m or slope.

All we can do now is insert the values of the points into the equation.

-8-7/-4-1=m

-15/-5=m

3=m

Thus, the slope is 3.

Hope this helps!

5 0
2 years ago
Read 2 more answers
How would the expression x3 +8 be rewritten using Sum of Cubes?
Ipatiy [6.2K]

Answer:

alr so ques is

x3 + 8

x^3 + 2^3

now apply identity of a3 + b3

so finally we get

=(x+2)(x2−2x+4)

option 2

enjoy!!!!!

8 0
2 years ago
Janalyn Cooper's gross weekly pay is $798. Her earnings to date for the year total $11,970.
myrzilka [38]

Answer:

$2000 I hope it's helpful for you

8 0
3 years ago
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