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ra1l [238]
3 years ago
13

Jake packed 3 pairs of shorts for a trip: 1 khaki and 2 denim. He also packed 3 T-shirts: 2 white and 1 red. In the dark he rand

omly selected a pair of shorts and a T-shirts. What is the probability that he selected a pair of khaki shorts and a white T-shirt?
Mathematics
1 answer:
vichka [17]3 years ago
3 0
1/3 and 2/3 is the answer I think I’m not 100% sure
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Percentage grade averages were taken across all disciplines at a particular university, and the mean average was found to be 83.
Georgia [21]
Correct Ans:
Option A. 0.0100

Solution:
We are to find the probability that the class average for 10 selected classes is greater than 90. This involves the utilization of standard normal distribution.

First step will be to convert the given score into z score for given mean, standard deviation and sample size and then use that z score to find the said probability. So converting the value to z score:

z-score= \frac{90-83.6}{ \frac{8.7}{ \sqrt{10} } } \\  \\ 
z-score =2.326

So, 90 converted to  z score for given data is 2.326. Now using the z-table we are to find the probability of z score to be greater than 2.326. The probability comes out to be 0.01.

Therefore, there is a 0.01 probability of the class average to be greater than 90 for the 10 classes.
5 0
3 years ago
Solve x 3+3(x+2)=-24​
gregori [183]

Answer:

x=-11

Step-by-step explanation:

3+3x=6=-24

3x+9=-24

3x=-33

x=-11

8 0
2 years ago
Read 2 more answers
While shopping at store, Billy
romanna [79]

Answer:

A. 270

Step-by-step explanation:

30% can be rewritten as 3/10

To multiply 900 by 3/10, just divide by 10 (90) and multiply by 3 (270)

Therefore, the answer is A. 270

Bonus: To find the actual price, just subtract this amount (270) from the original price (900).

The television costs $630.

3 0
2 years ago
Read 2 more answers
The quotient of (pic) has _____ in the numerator and ______ in the denominator.
kkurt [141]

Answer:

are there any word choices?

Step-by-step explanation:

7 0
2 years ago
Read 2 more answers
Simplify by combining like terms: 15x +2 - 7 - 5x​
Step2247 [10]

Answer:

10x-5

Step-by-step explanation:

You subtract 15x-5=10x. Then you do -7+2. The 7 is negative . So it would be -7 plus two. So it would equal -5. So it's 10x-5

5 0
2 years ago
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