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artcher [175]
3 years ago
15

A vehicle with a particular defect in its emission control system is taken to a succession of randomly selected mechanics until

r = 15 of them have correctly diagnosed the problem. Suppose that this requires diagnoses by 20 different mechanics (so there were 5 incorrect diagnoses). Let p = P(correct diagnosis), so p is the proportion of all mechanics who would correctly diagnose the problem. What is the mle of p?

Mathematics
1 answer:
IrinaK [193]3 years ago
3 0

Answer:

the mle of P=0.833

Step-by-step explanation:

X=incorrect answer

And probability of success to be denoted as P

Here X posses a binomial distribution along with 'r' and 'p'parameter

CHECK THE ATTACHMENT BELOW FOR DETAILED EXPLATION

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A number cube is rolled 198 times. How many times would you expect to roll a 5?
Otrada [13]

Answer:

33 times

Step-by-step explanation:

we divide 198 by 6 because there are 6 sides on a dice and 199 ÷ 6 is 33

3 0
3 years ago
Solve for x and graph the solution on the number line<br> 15 &gt; 2x – 9 &gt; -23
Monica [59]

The answer is 12>x>-7

Step-by-step explanation:

it's first divided into 2 parts

1 . 15 > 2x - 9

2. 2x - 9 > -23

Then solve them individually.

let's do it,

<u>First half</u>

15 > 2x - 9

15+9 > 2x

24 > 2x

24/2 > x

12>x

<u>Second half</u>

2x-9>-23

2x>-23+9

2x>-14

x>-14/2

x>-7

<u>Joining of the two halves</u>

We have :

12>x>-7

8 0
3 years ago
The area of a rectangular invitation card is 3/10 square foot. Given that the length of the card is 4/5 foot find its perimeter
Andrei [34K]
The perimeter would be 3/8+3/8+4/5+4/5= 2.35 or 2 7/20 square foot.
I hope this helps.
YOU'RE WELCOME :D
8 0
3 years ago
ANSWER FAST!!!! What is the surface area of the following solid figure?
Charra [1.4K]
42in.^2 should be the answer that you are looking for. Hope this helps
6 0
3 years ago
Read 2 more answers
WILL GIVE BRANLIEST,VOTE, AND RATE!!!!!!!!!!!
kondaur [170]

Step-by-step explanation:

1st digit is 1 number (1)

2nd digit is (3,4,5) so it's 3 numbers

third digit is (6,7,8,9) is it's 4 numbers

last 7 digits is 10 (0,1,2,3,4,5,6,7,8,9)

multiply

1*3*4*10=120

so answer is 120 phone numbers

4 0
3 years ago
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