A bag contains a total of 200 dimes and nickels. Without looking, a student chooses a coin, records the type and places it back in the bag. The student records 12 dimes and 13 nickels. What is the best prediction of the the total number of dimes in the bag?
1 answer:
Answer:
Explanation:
The proportions of dimes and nickels in the withdrawls recorded by the student are:
dimes: 12/25 nickels: 13/25
Thus, the best prediction of the total number of dimes in the bag is found using the same ratio of dimes:
dimes in the bag = (12/25) × 200 = 96 ← answer
You might be interested in
Equivalent lines for sure
Answer:
132 ft
Step-by-step explanation:
The radius is 21 ft
We want to find the circumference
C = 2 * pi *r
Letting pi = 22/7
C = 2 * 22/7 * 21
C = 132 ft
Answer:
0.46846846846
Step-by-step explanation:
if fraction was 416/888 thats the answer....
Answer:
this is your answer
<span>For a fair coin, the probability of tails is 1/2 or 0.5, so the probability of all tails in 10 tosess is (1/2)^10 = 1/1024 = 0.0009765625 </span>