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The mean weight on my sons football team is 185 pounds with a standard deviation of 20 pounds. Determine the standard z-score and the percentile for the data below:
A) Less than 155 pounds
B) More than 210 pounds
C) Between 175 and 195 pounds
Round to the nearest 100th as needed for the z-score and the nearest percent for the percentile. Answer the question and create an answer key.
Can the five-year rate of return be estimated based on the assets of the Fund? Determine the regression equation. Use assets as the independent variable.
about 34 of americans have type a blood. a blood drive gets 140 donors. what is the probability that at least 40 of
Estimate the number of cards in the sample for which Clara correctly guesses the suit by giving the mean of the relevant distribution (that is, the expectation of the relevant random variable). Do not round your response.
Based on these data, what is the probability that next Christmas will be dry and based on the data,what is the probability that next Christmas will be rainy or cloudy and dry?
You take a random sample around town and calculate a p-value for your hypothesis test of 0.0913. What is the appropriate conclusion? Conclude at the 5% level of significance.
Suppose we wish to estimate the true population of HSB students who own cars. We randomly sample 100 HSB students and find 20 students own a car.
The same students increased their scores on a retest to: 85,79,75,95, and 84. At the 0.05 significance level, is the intervention plan helpful in increasing grades?
the genes for eye color in a certain male fruit fly are rw. the genes for eye color in the mating female fruit fly are
A study of 200 commercial firms revealed the data below. What is the probability that a particular firm will have $1 million or more in income after taxes?
She surveys 100 randomly selected families and finds the mean income to be $96,321 with a standard deviation of $9555.With a0.05, is she correct?
a gambler plays roulette and makes a 1 bet on four numbers 400 times. the bet pays 8 to 1. find the chance that the
Which of the following statistical inference procedure should we use?
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