Theoretical probability and relative frequency

Maths

I toss a coin 20 times. It comes up "Heads" 7 times. What is the relative frequency of getting a "Head"?

I roll a dice 60 times and I get a "three" on 10 occasions. What is the relative frequency of getting a "three"?

I roll a dice 50 times and it lands on a "six" 38 times. What is the relative frequency of getting a "six"?

I toss a coin 50 times and it comes up "Heads" 30 times. What is the relative frequency of getting "Tails"?

I flip a coin lots of times. I note that the relative frequency of getting "heads" is 0.45. What is the relative frequency of getting "tails"?

What is the probability that this fair spinner lands on an odd number?

I roll a 10-sided dice. What is the probability I roll above a 5?

From the letters above,  what is the probability of selecting a vowel?

I roll a 6-sided dice. What is the probability that I roll a number greater than 8?

What is the probability that this fair spinner lands on a white triangle?