I answered part b first before a, bec6 the answer to part b is what would aid me in answering part a
Answer:
B. The t test statistic is the appropriate test.
A. Reject the null hypothesis
Step-by-step explanation:
X1 = 6.841, sd1 = 0.155, n1 = 15
X2 = 6.701, sd2 = 0.108, n2 = 10
1. The appropriate test statistic for this question is the t test.
T = x1-x2/√sd1²/n1 + sd2²/n2
T = 6.841-6.701/√0.155²/15 + 0.108²/10
= 2.66
H0: u1 = u2
H1; u1>u2
Significance level = 0.05
Df = n1+n2-2
= 15+10-2
= 23
T critical = 1.714
2.66>1.714
So we have to reject the null hypothesis. Since we have enough evidence that supports this claim that fruit flavor bubble gum is on average, thicker than the fruit flavored gum.
The lowest term would be 1 3/8
Please mark brainliest
Answer:
Step-by-step explanation:
Alex and josh rode bikes. Alex rode 15 miles in 80 minutes josh rode 102 minutes at a faster rate per mile then Alex . Find Alex's unit rate in minutes per mile. Then explain how could you use it to find a possible unit rate for josh
Alex rode 15 miles in 80 minutes
His unit rate = 80 minutes /15 miles
3(x-7) = 6(x-10)
3x-21 = 6x-60
6x-3x = 60-21
3x = 39
x = 13
So, OPTION D is your answer!!!
