Suppose you physically simulate the random process of rolling a single die. (a) after 1010 rolls of the die, you observe a "one" 44 times. what proportion of the rolls resulted in a "one"? (b) after 2020 rolls of the die, you observe a "one" 22 times. what proportion of the rolls resulted in a "one"?

Plz (02.03 mc) which sequence of transformations will change figure pqrs to figure p′q′r′s′? (5 points) select one: a. counterclockwise rotation about the origin by 90 degrees followed by reflection about the x-axis b. counterclockwise rotation about the origin by 90 degrees followed by reflection about the y-axis c. counterclockwise rotation about the origin by 180 degrees followed by reflection about the x-axis d. counterclockwise rotation about the origin by 180 degrees followed by reflection about the y-axis

If 20% of a number is 35, what is 50% of that number?

How many different three-digit numbers can be formed using the digits 1 comma 2 comma 9 comma 6 comma 4 comma 3 comma and 8 without repetition? for example, 664 is not allowed.