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Which of the following quantities does not affect the width of a confidence interval?

In terms of orientation, anterior to posterior plane is

Harvey Dent, the Gotham City District Attorney, often flips a coin to make a decision. To estimate the balance of the coin and to see whether or not the probability of the coin landing head-side up is about 50%, Harvey flipped the coin 100 times. The graph of the relative frequency of head-side up results after each spin is shown here.     QUESTION: Does this sample of flips appear to provide evidence that the flipped coin is equally likely to land heads-side up or tails-side up? Explain.

There are around _______  described insect species.

In a certain state, a survey of 600 workers showed that 35% belonged to a union.  Find the 95% confidence interval for the proportion of workers who belong to a union.

Grabbing / predatory legs are known as ________.

The thickest layer of the cuticle is the

The more recent conservative estimates of the total amount of insect species (including undescribed) is

The upper surface of the body is the _________.

If a player rolls two dice and gets a sum of 2 or 12, she wins $20.  If the person gets a sum of 7, she wins $5.  The cost to play the game is $3.  Find the expected value of the game. (Note: If you are rounding intermediate steps, round to 4 decimal places.)