subject
Mathematics, 18.01.2022 14:00 nyajah13

(b) The table below indicates the cost of certain air tel kiosk Z 0.15 0.20 0.25 0.75 0.80 0.85 1.85 1.90 1.95 2.00 2.05 QZ 0.0596 0.0793 0.0987 0.2734 0.2881 0.3023 0.4678 0.4713 0.4744 0.4772 0.4798 If it was stated that the number of telephone calls received at a switchboard is approximately normal with a mean of 580 calls and a standard deviation of 10. REQUIRED ind the possibility that on a given day the number of calls received at the switchboard will be; (a) Exactly 578 (6) Less than 57 (c) Between 561 and 600 inclusive

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
Me. i can't figure out this question. give an explanation too. .
Answers: 1
question
Mathematics, 22.06.2019 00:00
Heather is a cashier. she can ring up 1212 customers in 99 minutes. at this rate, how many minutes does it take her to ring up 44 customers?
Answers: 1
question
Mathematics, 22.06.2019 02:30
Otto used 6 cups of whole wheat flour and cause x cups of white flour in the recipe. what is the equation that can be used to find the value of y, the total amount of flour that otto used in his recipe and what are the constraints on the value of x and y? a y=6x; x is any interger greater than the equal to 0 and y is an interger greater than the equal to 6? b y=6x; is any real number greater than or equal to 0 and y is any real number greater than or equal to 6? c y=+6; x is any intger greater than or equal to 0 and y is an intger greater than or equal to 6? d y=x+6; x is any real number greater than 0 eqaul to 0 and y is any real number greater than or eqaul to 6? [someone answer this with a b c or d simplyactaully answer it this took forever to type on my phone] you. ill even raise the number of points get
Answers: 2
question
Mathematics, 22.06.2019 04:00
Sove the equation 6c + 11 = 2c + 59
Answers: 1
You know the right answer?
(b) The table below indicates the cost of certain air tel kiosk Z 0.15 0.20 0.25 0.75 0.80 0.85 1.85...
Questions
question
Physics, 13.03.2021 05:20
question
Mathematics, 13.03.2021 05:20
question
Mathematics, 13.03.2021 05:20
Questions on the website: 13722360