Stor (34 20 +27 +21 +29+19)
Step 2: 34 - 25 =9 20-25=-5
27 - 25= 2 21 - 25 = -4
29 - 25 = 4 19 - 25 = -6
Step 3: 9+ (-5) + 2 + (-4) + 4+ (-6)=0
Step 4:
O = 0

Asurvey of 2,000 doctors showed that an average of 3 out of 5 doctors use brand x aspirin.how many doctors use brand x aspirin

Recall that the owner of a local health food store recently started a new ad campaign to attract more business and wants to know if average daily sales have increased. historically average daily sales were approximately $2,700. the upper bound of the 95% range of likely sample means for this one-sided test is approximately $2,843.44. if the owner took a random sample of forty-five days and found that daily average sales were now $2,984, what can she conclude at the 95% confidence level?

Which of the following is an example of conditional probability