State the null and alternative hypotheses for each of the following scenarios: Scenario 1: Company A wants to find out if fewer customers visit Store 4 than Store 2 on average.
Scenario 2: Company B wants to see if those in the 26-34 age group spend on average a different amount than the 35-54 age group.
Scenario 3: Company C wants to find out if Team 3 produces batteries that, on average, last longer than those produced by Team 7.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation:

can i see the following ?

step-by-step explanation:

step-by-step explanation :

we know that

the measurement of the outer angle is the semi-difference of the arcs which comprises

in this problem

m< xzy is the outer angle

substitute the values

the measure of angle xoy is equal to

> by central angle

substitute the value