Find the probability the temperature in la is less
The mean temp in LA is 66.3 degrees F with a standard deviation of 8 degrees F. The temp readings are normally distributed. What is the probability the temp in LA is less than 78.22 F any given day.
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Suppose that 240 of 300 wives married less than two years planned to have children some day compared to 288 of the 400 wives married five years. Can we conclude that the proportion of wives married less than two years who planned to have children
Assume that the data has a normal distribution and the number of observations is greater than fifty. Find the critical z value used to test a null hypothesis.
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Can we conclude, at the 5% level of significance, that the average amount of wastewater treated at the high income neighborhood is more than that from the low income area? Assume normality.
The temp readings are normally distributed. What is the probability the temp in LA is less than 78.22 F any given day.
Develop 95% confidence intervals for the proportion of all students, the proportionof male students, and the proportion of female students who were involved in sometype of cheating.
The surgery is performed on 5 patients. Find the probability of the surgery being successful on more than 3 patients?
A. What is the sensitivity of self reported smoking status? B. What is the specificity of self reported smoking status?
Is there a significant difference between the proportion of urban and suburban residents who favor construction of the nuclear plant? Make use of a P-value.
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