the medal received (gold, silver, bronze) by an Olympic gymnast
A) ordinal B) ratio C) nominal D) interval
Q. 2A random number generator is set top generate integer random numbers between 1 and 10 inclusive following a uniform distribution. What is the probability of the random number generator generating a 7?
A) 0.7 B) 0 C) 0.07 D) 0.5
Q. 3A marketing research company needs to estimate which of two medical plans its employees prefer. A random sample of n employees produced the following 90 confidence interval for the proportion of employees who prefer plan A: (0.347, 0.647).
Identify the point estimate for estimating the true proportion of employees who prefer that plan. A) 0.497 B) 0.15 C) 0.347 D) 0.647
Q. 4A company makes skirts in 5 different styles. Each style comes in two different fabrics and 4 different colors. How many skirts are available from this company?
A) 40 B) 20 C) 9 D) 11
Q. 5Which measure of central tendency may have more than one value in a numeric data set?
A) Mode B) Median C) Mean D) Midrange
Q. 6the musical instrument played by a music student
A) nominal B) ratio C) ordinal D) interval
Q. 7Suppose a uniform random variable can be used to describe the outcome of an experiment with the outcomes ranging from 30 to 80. What is the probability that this experiment results in an outcome less than 40?
A) 0.2 B) 0.09 C) 0.29 D) 1
Q. 8A survey of 2390 musicians showed that 304 of them are left-handed. Find a point estimate for p, the population proportion of musicians that are left-handed.
A) 0.127 B) 0.873 C) 0.146 D) 0.113
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