5. Cellular Phone Sales The probability that a cellular phone company kiosk sells X number of new phone
contracts per day is shown below. Find the mean,
variance, and standard deviation for this probability
distribution
х
4 5 6
10
P(X) 0.4 0.3 0.1 0.15 0.05
8
What is the probability that they will sell 6 or more
contracts three days in a row?

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step-by-step explanation:

srry idk

step-by-step explanation:

option c) graph of line going through 1, 4 and 3, 10

step-by-step explanation:

let y equal to margo's coin collection

let x equal to number of years

at the begining x=0, y=1 → point=(x,y)→point=(0,1)

she adds 3 coins per year, then y=1+3x

at x=1, y=1+3(1)=1+3→y=4→point=(x,y)→point=(1,4)

at x=3, y=1+3(3)=1+9→y=10→point=(x,y)→point=(3,10)

the graph of line going through (1, 4) and (3, 10), then the option c is the correct.

126 maybe. sorry