Answer:
H0: p ≤ 0.50; HA: p > 0.50
The null hypothesis is that the majority of the customers would not want to watch the new show.
H0: p ≤ 0.50
The alternative hypothesis is that the majority of the customers would want to watch the new show.
HA: p > 0.50
Note : majority means greater than 50% (p > 0.50)
Step-by-step explanation:
The null hypothesis (H0) tries to show that no significant variation exists between variables or that a single variable is no different than its mean. While an alternative Hypothesis (Ha) attempt to prove that a new theory is true rather than the old one. That a variable is significantly different from the mean.
The null hypothesis is that the majority of the customers would not want to watch the new show, so they maintain the original lineup.
H0: p ≤ 0.50
The alternative hypothesis is that the majority of the customers would want to watch the new show. So they alter the original lineup of programs.
HA: p > 0.50
Note : majority means greater than 50% (p > 0.50)
Answer: 
Step-by-step explanation:
Answer:
(5x-4y)=19
5×19-4×19
95-76
19
Step-by-step explanation:
x+2y=8
x=8-2
x=6
Hello :
y = 3x²+9x
= 3(x² + 3x )
= 3 ( x² +2(3/2)x +(3/2)²) -(3/2)²)
= 3((x+3/2)² -9/4)
y = 3 (x+3/2)² -27/4
<span>the x-coordinate of the vertex is : - 3/2</span>
Answer:
The answer to your question is a) C + J + S = 80
b) C = J + 5
c) S = 45 hours
Step-by-step explanation:
a) To represent the number of hours that they work together, just add the variables and equal them to 80.
Carlito + Juan + Sara = 80
C + J + S = 80 Equation l
b) Juan worked 5 hours more than Carlito
Juan = Carlito + 5
J = C + 5 Equation ll
c) Hours worked by Sara
S = 3J Equation lll
C = J - 5
Substitute equation ll and lll in equation l to find J
J - 5 + J + 3J = 80
5J = 80 - 5
5J = 75
J = 75/5
J = 15
-Find S
S = 3(15)
S = 45 hours
