Amonth of the year is chosen at random. what is the probability that the month starts with the letter j or the letter m?

Asoccer ball manufacturer wants to estimate the mean circumference of soccer balls within 0.1 in

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?

What is the value of x enter your answer in the box (3x+50