Express the confidence interval 80.9%±4.7%80.9%±4.7% in interval form.
Express the confidence interval 80.9%±4.7%80.9%±4.7% in interval form.
Express the confidence interval 67.3%±5.6%67.3%±5.6% in interval form
Express the confidence interval 18.9%±6.2%18.9%±6.2% in interval form
The average ticket price for a Spring Training baseball game is $32.68, with a standard deviation of $7.67. In a random sample of 40 Spring Training tickets, find the probability that the mean ticket price exceeds $35. (Round your answer to three decimal places)
The average ticket price for a Spring Training baseball game is $33.23, with a standard deviation of $6.25. In a random sample of 40 Spring Training tickets, find the probability that the mean ticket price exceeds $36. (Round your answer to three decimal places)
SAT scores in one state is
a) Find the probability that one of the scores in the sample is less than 1634.
P(x<1634)P(x<1634) = Incorrect
b) Find the probability that the average of the scores in the sample is less than 1634.
P(¯x<1634)P(x¯<1634) = Incorrect
Enter each answer as a number accurate to 4 decimal places.
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