khoảng thời gian giữa 2 lần bệnh nhân tới bệnh viện CCU tính bằng giờ là một ĐLNN X với kỳ vọng bằng 0.4. Hỏi X có phân bố gì

Need to increase the numbers of customers i talk to daily by 20% how many customers do i need to talk to if i talk to a average of 8 customers per hour during an 8 hour shift

Louise measured the perimeter of her rectangular scrapbook to be 154 cm. if the scrapbook is 45 cm wide, how long is the scrapbook?

Ms. green tells you that a right triangle has a hypotenuse if 13 and a leg of 5. she ask you to find the other leg of the triangle. what is you're answer?