Step-by-step explanation:
11/5−7/4+2/1
=49/20(Decimal: 2.45)
Answer:
x = 8, -8
When taking an absolute value the sign of a number is ignored. Therefore, both 8 and -8 would come out equalling 8.
Answer:
1 7/15
Step-by-step explanation:
4/5 = 12/15
2/3 = 10/15
12/15 + 10/15 = 22/15 or 1 7/15
Answer:
Step-by-step explanation:
Given that during the first 13 weeks of the television season, the Saturday evening 8:00 P.M. to 9:00 P.M. audience proportions were recorded as ABC 29%, CBS 28%, NBC 25%, and independents 18%
H0: Proportion did not change
Ha: Proportions changed
5% significance level is used
ABC CBS NBC INDEP TOTAL
percent 29 28 25 18 100
OBSERVED 90 77 83 50 300
Expected 87 84 75 54 300
chi square 0.103448276 0.583333333 0.853333333 0.296296296 1.836411239
df 3
p value 0.6071
Since p > alpha, we accept null hypothesis
The observed values are as per the proportions.
