Assume that a procedure yields a binomial distribution with n=39 trials and the probability of success for one trial is p=0.38. Find the mean for this binomial distribution. Round your answer to at least one decimal. Find the standard deviation for this distribution. Round your answer to at least two decimals.

The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 3335 grams and a standard deviation of 632 grams. If a newborn baby boy born at the local hospital is randomly selected, find the probability that the weight will be less than 3840 grams. Round your answer to four decimal places.

Assume that a procedure yields a binomial distribution.  n = 43  p = 0.7,  Find the standard deviation. Round to one decimal place, if needed.

The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 3811 grams and a standard deviation of 442 grams. If a newborn baby boy born at the local hospital is randomly selected, find the probability that the weight will be between 3590 and 4429 grams. Round your answer to four decimal places.

A psychologist has designed a questionnaire to measure individuals' aggressiveness. Suppose that the scores on the questionnaire are normally distributed with a standard deviation of 80. Suppose also that exactly 15% of the scores exceed 750. Find the mean of the distribution of scores. Carry your intermediate computations to at least four decimal places. Round your answer to at least one decimal place.

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The amounts of nicotine in a certain brand of cigarette are normally distributed with a mean of 0.964 grams and a standard deviation of 0.296 grams. Find the probability of randomly selecting a cigarette with 0.668 grams of nicotine or less. Round your answer to four decimals.

The weights of newborn baby boys born at a local hospital are believed to have a normal distribution with a mean weight of 3484 grams and a variance of 160,000. If a newborn baby boy born at the local hospital is randomly selected, find the probability that the weight will be greater than 4124 grams. Round your answer to four decimal places. Answer esc F If you would like to look up the value in a table, select the table you want to view, then either click the cell at the intersection of the row and column or use the arrow keys to find the appropriate cell in the table and select it using the Space key. ngle. 1 1 9 a Z @ 2 W S X # 3 e d C C $ 4 r f نے % 5 V t g Normal Table -00 to-z Normal Table - to z Oll 6 b y hp h & 7 u n * 8 j N O i m ( 9 k * O ) 0 1 alt р > : Tables ; Keypad Keyboard Shortcuts Submit Answer { ctrl AD + Oct 27 = ? 11 1 6:25 O backspace 1 USE YOUR SMARTPHON Reviews Videss B 55