Answer:
1
Step-by-step explanation:
2x + 9 - 17x - 15 - x =????
2x - 17x - x + 9 - 15 = 0
- 15x - x - 16 = 0
- 16x - 16 =0
-16x = 16
x = 16 / - 16
x = 1
Answer:
288
Step-by-step explanation:
multiply 36 by 8 to find the number of records sold on Wednesday
Answer:
Step-by-step explanation:
Let X be the length of time between billing dates and checks received and deposited for non-delinquent accounts of an oil company’s monthly credit card customers
X has mean 13.5 and sigma 3 days
Sample size = n =36, x bar = 13
(One tailed test at 0.025 sign. level)
Mean diff = -0.5
Since sigma is known z test can be used
Std error =
Z statistic = -0.5/SE= -0.1
p value = 0.920
p>0.025 hence accept null hypothesis.
My conclusion is there is no statistical evidence that lock box reduced the mean time.
102 I have answered this question before and it was correct! Pls give brainliest! Ty, hope this helped
Answer:
0.16
Step-by-step explanation:
As it is stated that the card having the label of a dog has a probability of 0.4. Hence, the probability that they both choose a card labeled dog is 0.16.