Answer:
The best thing to do here is to put each of these into fractions, with the total (31) as the denominator.
14/31= silver
6/31= black
8/31= copper
3/31= various colours.
As you're looking for the keys that are silver or copper, you've got to add the two denominators together, which gives you 14+8= 22.
This cannot be simplified further, therefore, the probability of choosing either a silver or copper key is 22/31.
Hope this answer helps you :)
Have a great day
Mark brainliest
$147.68 is the awnser too this one
Answer:1=74 2=35 3=82 4=94 5=114
Step-by-step explanation:
Answer:
Find each of the following probabilities for a normal distribution:
a. p(z>1.20) Answer:
b. p(z> .40) Answer:B
c. p(z <1.75) Answer:
d. p(z>-1.30) Answer:
e. p(z<-.60) Answer:
Step-by-step explanation:
Explanation
Dount
