Blog

The structure that contracts, allowing you to inhale is/are the

Besides true glands, other body structures can secrete hormones. Which of the following is not a structure that secretes hormones?

Boys have high pitched voices when they are young, but their voices deepen as they age.  What causes this?

A patient has a growth on his neck that you believe is a goiter. Which gland is likely malfunctioning?

Three coins are tossed.  Find the probability that exactly two coins land tails up.

A pair of dice is rolled. Find the probability of getting 5 on one die or on both dice.  (Leave your answer in fraction form)

While on a fall break trip, a group of friends burns [G] gallons of gas in the first [m] miles, then stops to refuel. If they have [M] miles yet to drive, how many gallons of gas do they need to make it there without stopping for gas again? Assuming the tank is big enough to hold whatever they need. (Leave your answer in whole number form)

Some students were surveyed on campus about their study habits. Some said they study in the morning. Others study during the day between classes, and others study at night. Some students study in the library and others always study in the lab. The distribution is shown below: How students study Morning Between classes Evening Study in the library [a] [b] [c] Study in the lab [d] [k] [f] If a student who was surveyed is selected at random, find these probabilities that the student studies between classes or in the lab. (Leave your answer in TWO  decimal place)

Some students were surveyed on campus about their study habits. Some said they study in the morning. Others study during the day between classes, and others study at night. Some students study in the library and others always study in the lab. The distribution is shown below: How students study Morning Between classes Evening Study in the library [a] [b] [c] Study in the lab [d] [k] [f] If a student who was surveyed is selected at random, find these probabilities that the student studies in the morning and studies in the lab. (Leave your answer in TWO  decimal place)

A pair of dice is rolled. Find the probability of rolling a sum of 21.