The probability distribution histogram shows the age distribution of giraffes at a zoo. What is P(4Enter your answer, as a decimal, in the box.

Icould really use some with this question.

What is the slope of the line shown below?

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?