In Norway, the distribution of birth weights for infants whose gestational age is 40 weeks is approximately normal with mean μ = 3500 grams and standard deviation Ï = 2500 grams.
a) what is the probability that the birth weight of a newborn whose gestational age is 40 weeks is less than 2500 grams?
b) what is the probability that the mean birth weight of a random sample of five newborns all with gestational age 40 weeks less than 3000 grams?
d) What value cuts off the lower 5% of the sampling distribution the mean birth weights of samples of five newborns all with gestional age 40 weeks/ round your answer to two decimal places

"you know, playing tennis is healthier than watching a tennis match on television," katya remarked to her couch potato brother. in this sentence, healthier is a/an a. superlative. b. comparative. c. positive form. d. adverb.

Janet is rolling a number cube with the numbers one through six she record the numbers after each row if she rolls of keep 48 times how many times should she expect to roll a 4

Christine wong has asked dave and mike to her move into a new apartment on sunday morning. she has asked them both, in case one of them does not show up. from past experience, christine knows that there is a 40% chance that dave will not show up and a 30% chance that mik a. what is the probability that both dave and mike will show up? (round your answer to 2 decimal places.) b. what is the probability that at least one of them will show up? c. what is the probability that neither dave nor mike will show up? (round your answer to 2 decimal places.)e will not show up. dave and mike do not know each other and their decisions can be assumed to be independent.