Vehicle arrivals at a certain intersection from 9-10 am have a poisson distribution = 70/hr. a berkeley te student counts arrivals at the intersection during this time period for a number of days. 1. write an exact expression for the probability that 75 or more vehicles will be counted on a particular day

0.2905

Step-by-step explanation:

Given that vehicle arrivals at a certain intersection from 9-10 am have a Poisson distribution = 70/hr.

Also given that A Berkeley TE student counts arrivals at the intersection during this time period for a number of days.

To find the probability for 75 or more vehicles

Let X be the no of vehicles

P(k events ) =

Hence here required probability=

=

Reqd prob =

option 2 is correct.

step-by-step explanation:

we are given two inequality equation

x+y> 5 and -3x+2y< -2

first we draw the graph of both function using t-table method

equation: x+y> 5

for x=0, y=5

for x=-5, y=0

table:

x   :   0     5

y   :   5     0

test point (0,0) , 0> 5

false

equation: -3x+2y< -2

for x=0, y=-1

for x=2, y=4

table:

x   :   0     2

y   : -1       4

test point (0,0) , 0< -2

true

now we draw the graph. see the attachment for graph.

common region would be solution set.

option 2 is correct.

the aswere is the one with all 8's and the second one is with the 10,8 and 6

step-by-step explanation: