What’s the probability of at least one card being an ace & exactly one black card? Three cards are drawn at random without replacement from a deck of 52 cards. What’s the probability of the events
a) at least 1 card is an ace
b )exactly 1 Card is black

6 cm

step-by-step explanation:

the arc length is found by finding the circumference of the full circle (2xpixradius) and then dividing by 4 to find just one quarter of the circle (90 degrees).

students group

step-by-step explanation:

a person who   joins a party or a seminar can explain his feelings about that particular occasion better more than anyone else.

as bella managed a show for the students in the school and invited students to watch that show

hence

students group will be the best group to survey to find this information