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gstevens
06.07.2019 •
Mathematics
Fred spins a spinner with five equal spaces numbered 1 thru 5 and draws a card from a standard 52-card deck. what is the probability he spins a 3 or draws a king?
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Ответ:
Step-by-step explanation:
Given : Fred spins a spinner with five equal spaces numbered 1 thru 5 and draws a card from a standard 52-card deck.
We know that the probability of each event is given by :-
Event 1: He spins a 3.
Total outcomes for spinner with 5 equal section = 5
Then , the probability of spinning a 3 will be :-
Event 2: He draws a king.
No. of kings in a deck of cards = 4
Total number of cards in a deck of cards = 52
Then , the probability of getting a king will be :-
Since both events are independent then the probability he spins a 3 or draws a king will be the sum of probabilities each event .
Hence, the probability he spins a 3 or draws a king =![\dfrac{18}{65}](/tpl/images/0057/9842/a92a9.png)
Ответ:
The constant of proportionality is 2.
Step-by-step explanation:
In an equation for which we are looking for the constant of proportionality, we use the base form below.
y = kx
In which k is the constant of proportionality. If we use the equation given
y = 2x
We can see k = 2