Suppose that 50% of all babies born in a particular hospital are girls. If 6 babies born in the hospital are randomly selected, what is the probability that more than 1 of them are girls?
Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places.
n = 6
p = 0.5
P(X = x) = 6Cx * 0.5x * (1 - 0.5)6-x
P(X > 1) = 1 - (P(X = 0) + P(X = 1))
= 1 - (6C0 * 0.50 * 0.56 + 6C1 * 0.51 * 0.55)
= 1 - 0.1094
= 0.8906
= 0.89 (ans)
Suppose that 50% of all babies born in a particular hospital are girls. If 6 babies...
Suppose that 55% of all babies born in a particular hospital are boys. If 7 babies born in the hospital are randomly selected, what is the probability that at least 3 of them are boys? Carry your intermediate computations to at least four decimal places, and round your answer to two decimal places.
A hospital claims that the proportion, p, of full-term babies born in their hospital that weigh more than 7 pounds is 41%. In a random sample of 235 babies born in this hospital, 114 weighed over 7 pounds. Is there enough evidence to reject the hospital's claim at the 0.1 level of significance? Perform a two-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in...
A hospital claims that the proportion, P, of full-term babies born in their hospital that weigh more than 7 pounds is 37%. In a random sample of 185 babies born In this hospital, 79 weighed over 7 pounds. Is there enough evidence to reject the hospital's claim at the 0.05 level of significance? Perform a two-talled test. Then fill in the table below. Carry your Intermediate computations to at least three decimal places and round your answers as specified in...
A hospital claims that the proportion, p, of full-term babies born in their hospital that weigh more than 7 pounds is 48%. In a random sample of 200 babies born in this hospital, 76 weighed over 7 pounds. Is there enough evidence to reject the hospital's claim at the 0.01 level of significance? Perform a two-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in...
A hospital claims that the proportion, p, of full-term babies born in their hospital that weigh more than 7 pounds is 41%. In a random sample of 145 babies born in this hospital, 65 weighed over 7 pounds. Is there enough evidence to reject the hospital's claim at the 0.01 level of significance? Perform a two-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in...
Suppose babies born in a large hospital have a mean weight of 3366 grams, and a variance of 244,036. If 118 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would differ from the population mean by more than 45 grams? Round your answer to four decimal places.
Suppose babies born in a large hospital have a mean weight of 3242 grams, and a standard deviation of 446 grams. if 107 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would be less than 3285 grams Round your answer to four decimal places
Hypothesis test for a population proportion A hospital claims that the proportion , of full-term babies born in their hospital that weigh more than 7 pounds is 40%. In a random sample of 240 babies born in this hospital, 97 weighed over 7 pounds. Is there enough evidence to reject the hospital's claim at the 0.05 level of significance? Perform a two-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and...
Suppose babies born in a large hospital have a mean weight of 3361 grams, and a variance of 245,025 f 117 babies are sampled at random from the hospital, what is the probability that the mean weight of the sample babies would differ from the population mean by more than 44 grams? Round your answer to four decimal places. Show supporting work including an appropriately shaded sketch of the normal curve described in the scenario. Answer How to Enter) 10...
hospital claims that the proportion, P, of full-term bables born in their hospital that welah more than 7 pounds is 48%. In a random sample of 150 babies born In this hospital, 86 weighed over 7 pounds. Is there enough evidence to reject the hospital's claim at the 0.05 level of significance? Perform a two-tailed test. Then fill in the table below. Carry your intermediate computations to at least three decimal places and round your answers as specified in the...