13 divided by 2 is 6.5 and 31 divide by 2 is 15.5 I hope this helped
Answer:
Proportions have not changed significantly ( B )
Step-by-step explanation:
GIVEN DATA :
Test statistic = 4.99
significance level = 1% = 0.01
k ( number of groups ) = 3
will we use the chi-squared test to determine the degree of freedom
which is : k-1 = 3 - 1 = 2
looking at the chi-square table to determine the critical value of the test
at significance level = 0.01 and degree of freedom = 2 the critical value = 9.21
Comparing the test value ( 4.99 ) and the critical value ( 9.21 ) it can seen that the test value < critical value which is a condition for not rejecting null hypothesis of the test.
therefore we won't reject the null hypothesis
165
5x5= 25
12x12=144
25+144= 165
We let
x as the bushels of apples used to make apple cider
y as the bushels of apples used to make apple juice
The system of equations is
x + y = 18
20x + 15y = 330
Solving for x and y
x = 12
y = 6
12 bushels of apples are needed to produce apple cider
6 bushels of apples are needed to produce apple juice<span />
