Hypothesis testing of job placement

Reference no: EM13110362

A job placement director claims that the average starting salary for nurses is $24,000. A sample of 35 nurses has a mean of $23,450 and a standard deviation of $400. Is there enough evidence to reject the director's claim at alpha = 0.05? Use the rejection region method and provide an interpretation of the results.

Reference no: EM13110362

Questions Cloud

Sketch graph of the constraint for problem : Let the following all-integer linear program: Max 1x1 + 1x2, s.t. 4x1 + 6x2

Predict the genotypes and phenotypes of the offspring : In corn three dominant genes are necessary for aleurone color. The genotype B__D__R is colored. Any homozygous recessive for one gene is colorless. Predict the genotypes and phenotypes of the offspring of the cross BbDdRR x BbDdRR.

Determine probability that pineapple weighs more : Assume the single pineapple is selected at random from last year's crop. Determine the probability that it weighs more than 35 ounces?

What if the np and nq alleles are codominant : A new blood-typing system was discovered in which two antigens, P and Q, are determined by a different allele of a gene named N. The alleles of these antigens are about equally frequent in the general population. If the Np and Nq alleles are codom..

Hypothesis testing of job placement : A job placement director claims that the average starting salary for nurses is $24,000. A sample of 35 nurses has a mean of $23,450 and a standard deviation of $400.

How can learning to read the bone landmarks : how can learning to read the bone landmarks be instructive in understanding something about the person from whom the bone came? give three examples from clavicle, scapula, human humerus, radius and ulna, or carpus. Give the anatomical clues that l..

Critical value and p value method : The owner of a restaurant has just changed the delivery process in order to reduce the mean time between the order and completion of delivery from the current 25 minutes.

Find distributed random variables with expectation : X1, X2, X3, ... Xn are n independent, identically distributed random variables with expectation of 5 and variance of 4 (E[Xi] = 5, Var (Xi) = 4) and n is large. Determine Var(Y)?

What will be the equilibrium frequency : The gene for sickle-cell anemia exhibits heterozygote advantage. An individual who is an HB-A/HB-s heterozygote has increased resistance to malaria and therefore has greater fitness than the HB-A/HB-A homozygote, who is susceptivle to malaria, and..

User Account

All Pages