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trapecia [35]
3 years ago
7

An exam was given to a group of freshman and sophomore students. The results are below: Freshman: 106 got A’s, 130 got B’s, and

149 got C’s. Sophomore: 192 got A’s, 118 got B’s, and 168 got C’s. If one student is chosen at random from those who took the exam, find the probability that: a) the student was a sophomore. round to 4 decimal places as needed.
Mathematics
1 answer:
masha68 [24]3 years ago
3 0

Answer:         0.140

Step-by-step explanation:

You might be interested in
Why 1+1+1+1+...+1 is not geometric sequence
Olegator [25]
That sequence is not geometric or arithmetic
it is not changing or doing anything it is just remaining the same.

it would be geometric if it was:

1+1-1+1-1+1........
4 0
3 years ago
A child walks due east on the deck of a ship at 3 miles perhour.
VladimirAG [237]

Answer:

16.28 mph ; 79.38°

Step-by-step explanation:

Given the following :

Speed of child due east = 3mph

Speed of ship due North = 16mph

Relative speed of th child is obtained by using Pythagoras rule to find the hypotenus

Relative Speed = Sqrt(3² + 16²)

Relative Speed = sqrt(9 + 256)

= sqrt(265)

= 16.2788 mph

= 16.28 mph

From trigonometry ;

Tanθ = opposite / Adjacent

Tanθ = (16 / 3)

Tanθ = 5.333

θ = tan^-1(5.333)

θ = 79.379°

θ = 79.38°

6 0
3 years ago
Over a period of 3 years, the company’s sales of biscuits increased from 15.6 million packets to
horsena [70]

Answer:

33%

Step-by-step explanation:

So you Subtract 20.8 by 15.6 and you get 5.2.

Then you divide 5.2 by 15.6 getting you .33. Then you'll make it into a percentage getting you 33%. This could be wrong but let me know.

I hope this helps! ^^

5 0
2 years ago
Hey there people Im doing a poll
quester [9]
My favorite is probably aweSAMdude
5 0
3 years ago
(50 pts) Find the odds in favor of rolling two consecutive odd numbers when a pair of dice is rolled.
Verdich [7]

Answer:

<h3>1/4</h3>

Step-by-step explanation:

Rolling two consecutive odd numbers when a pair of dice is rolled.

There are 3/6 (1, 3, 5) odd numbers on a fair dice.

3/6 = 1/2

The dice is rolled twice.

1/2 × 1/2 = 1/4

3 0
3 years ago
Read 2 more answers
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