A coin is tossed 300 times and it lands on heads 180 times. Based on the outcome, enter the number of times the coin is expected to land on heads if it is tossed 150 times.

Which of the following constants can be added to x2 - 3x to form a perfect square trinomial?

What is the y-intercept of the line with the equation 3x + 4y = 12?

People end up tossing 12% of what they buy at the grocery store. assume this is the true population proportion and that you plan to take a sample survey of 540 grocery shoppers to further investigate their behavior. a. calculate the mean and the standard error for the sample proportion p. b. describe the sampling distribution of p in part a. draw a graph of this probability distribution with its mean and standard deviation. what is the probability that your survey will provide a sample proportion more than 15%? c. d. population proportion? what is the probability that your survey will provide a sample proportion within + 0.03 of the