Answer:
7 and 2
Step-by-step explanation:
i did this before i know
Answer:
1.4000 ;
0.0807 ;
1.69 ;
Fail to reject the Null
Step-by-step explanation:
Given :
μ = 21 minutes
x = 22.4 minutes
Sample size, n = 36
Standard deviation, s = 6
H0: μ ≥ 21
H1: μ < 21
Test statistic : (x - μ) ÷ s/sqrt(n)
Test statistic : (22.4 - 21) ÷ 6/sqrt(36)
Test statistic : 1.4 ÷ 1
Test statistic = 1.4000
Pvalue : Using the Test statistic value at α = 0.05 ; One - tail test = 0.0807
The t critical value using a critical value calculator ; DF = (n - 1) = 36 - 1 = 35 ; α = 0.05 = 1.69
Decision region :
Reject H0 if
|Test statistic| > |critical value|
1.4 < 1.69
Hence, we fail to reject H0
There isn't enough evidence they delivery time has been reduced below previous mean
Answer:
1.34kg
Step-by-step explanation:
A farmer sells 6.7 kilograms of apples and pears.
4/5 of this weight is apples
weight of apples= 4/5 x 6.7 => 5.36kg
Therefore, The kilograms of pears are =6.7 - 5.36 => 1.34 kg
The rest kilograms of pears were =1.34kg
Answer:
yes
Step-by-step explanation:
1/4 = .25
3/12 =.25
just divide !