21 12 3 14 15 S 37 Time Left 1 28 59 Neftall Moreno Miranda...
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Algebra
21 12 3 14 15 S 37 Time Left 1 28 59 Neftall Moreno Miranda Attempt 1 Cannot be determined because the sample size is too small Question 27 3 3 points A manufacturer found that the crack pressure of their football helmets is normally distributed with a mean of 150 lbs and a standard deviation of 11 lbs If 28 helmets were randomly selected to be tested find the probability that the crack pressures have a mean that is less than 145 lbs 0 0051 0 0081 0 0451 0 5247 Sign out
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