Question

2. Hip dysplasia Dysplasia is a 1.malformation of the hip socket that is very common in certain dog breeds and causes arthritis as a dog gets older. According to the Orthopedic Foundation for Animals, 11.6% of all Labrador retrievers have hip dysplasia. A veterinarian tests a random sample of 50 Labrador retrievers and records Y = the number of Labs with dysplasia in the sample.

a) Interpret the standard deviation from question 2.

b) Would it be appropriate to use a normal distribution to model the sampling distribution of Y = the number of Labs with dysplasia in the sample? Justify your answer.

c) If appropriate, calculate the probability that 10 labs out of a sample size 50 will have dysplasia.

Answer 1