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3 years ago

A driver holds his breath for 186 seconds. How many minutes and seconds is that.

2 answers:

8 0

3 minutes and 10 seconds. You divide 186 by 60 (there are 60 seconds in a minute) and you get 3.1. Therefore it is 3:10.

KATRIN_1 [288]3 years ago

5 0

3 min. and 6 sec.
Hope this helps!

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Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to fi

Keith_Richards [23]

Answer:

P(X = 12) = 0.0064.

Step-by-step explanation:

Binomial probability distribution

The binomial probability is the probability of exactly x successes on n repeated trials, and X can only have two outcomes.

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

In which $C_{n,x}$ is the number of different combinations of x objects from a set of n elements, given by the following formula.

$C_{n,x} = \frac{n!}{x!(n-x)!}$

And p is the probability of X happening.

In this problem we have that:

$n = 30, p = 0.2$

We want P(X = 12). So

$P(X = x) = C_{n,x}.p^{x}.(1-p)^{n-x}$

$P(X = 12) = C_{30,12}.(0.2)^{12}.(0.8)^{18} = 0.0064$

P(X = 12) = 0.0064.

6 0

2 years ago

If B(-5,8) is rotated about the origin by 180°, what are the new x and y coordinates for B'?

gladu [14]

Answer: B' (5, -8)

Step-by-step explanation:

Rotating 180 around the origin rule:

(x,y)--> (-x-y)

B (-5,8) B' (5, -8)

8 0

2 years ago

Starbucks opened two new locations. Location A costed $800 to open but makes $100 a month. Location B costed $1200 to open but m

WITCHER [35]

Answer:

I think it is A that will take longer but im not 100 percent sure

Step-by-step explanation:

First write an equation:

Location A- 800+100x

Location B- 1200+200x

Then you need to plug numbers in for x

3 0

3 years ago

4(c+12)=2c+18 what is c=?

Elanso [62]

4(c+12)=2c+18
4c+12c=2c+18
4c-2c=18-48
2c=-30
c= -30/2
c= -15

5 0

2 years ago

I will give brainlyest

Umnica [9.8K]

Answer:

hii

how are you

feeling bored

8 0

2 years ago

Read 2 more answers