Normal distribution to find
A mammologist gathered 90 female kangaroo rats and 27 of them were pregnant. Employ the normal distribution to find a 95% confidence interval for the pregnancy rate in female kangaroo rats. Show work
Expected delivery within 24 Hours
Determine the combined effect of medication and diet on blood pressure in adult males?
Assume 6 people check their coats in checkroom. If all claim checks are lost and 6 coats are randomly returned, determine the probability that all the people will get their own coats back?
A building may fail by excessive settlement of foundation or by collapse of the superstructure. Over the life of the building, the probability of excessive settlement of the foundation is estimated to be 0.10,
Sickle-cell anemia is hereditary medical condition affecting red blood cells that is thought to protect against malaria, a debilitating parasitic infection of the liver and blood.
You're flipping a fair coin. Initially you just flip it. After that, if it was heads previous round you turn it over to tails (so it guarantees a tails in the current round), and if it was tails you flip it again in the current round. Determine th
A biologist weighs 7 lab mice. The following results were obtained: 31.2, 28.3, 32.8, 29.1, 24.0, 38.2, 33.4 g. Find a 99% confidence interval for the mean weight. Show work
Assume the length of time students take in writing a standard entrance examination is normally distributed with mean 60 minutes, std. deviation 8 minutes
In a sample of 112 washers, 8 are "our of spec". Estimate the proportion of washers that are being prodiced tat are out of spec.
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