DP Mathematics HL Questionbank

Description

Directly related questions

• 18M.3sp.hl.TZ0.3d: Another model of smartphone whose battery life may be assumed to be normally distributed with...
• 16M.3sp.hl.TZ0.4c: The owner is more familiar with using confidence intervals. Determine a 95% confidence interval...
• 15N.3sp.hl.TZ0.1b: A second random sample of size \(n\) is taken from the same population. Find the minimum value of...
• 15N.3sp.hl.TZ0.1a: One hundred men from that country, selected at random, had their heights measured. The mean of...
• 08M.3sp.hl.TZ1.4: (a)     Calculate an unbiased estimate for   (i)     \(\mu \) ,   (ii)     \({\sigma ^2}\)...
• 09M.3sp.hl.TZ0.2: (a)     After a chemical spillage at sea, a scientist measures the amount, x units, of the...
• 09N.3sp.hl.TZ0.2b: Colin joins the squad and the coach wants to know the mean length, \(\mu \) metres, of his jumps....
• SPNone.3sp.hl.TZ0.1b: Determine a 99 % confidence interval for \(\mu \) .
• 10M.3sp.hl.TZ0.1: Anna cycles to her new school. She records the times taken for the first ten days with the...
• 10N.3sp.hl.TZ0.2: The length of time, T, in months, that a football manager stays in his job before he is removed...
• 13M.3sp.hl.TZ0.1b: Determine a 95 % confidence interval for \(\mu \).
• 13N.3sp.hl.TZ0.1c: Let \(J\) be the 90% confidence interval for the mean speed. Without calculating \(J\), explain...
• 13N.3sp.hl.TZ0.1b: Find the 95% confidence interval, \(I\), for the mean speed.
• 15M.3sp.hl.TZ0.3b: Interpret the result found in (a).
• 15M.3sp.hl.TZ0.3a: Calculate a \(99\% \) confidence interval for \(\mu \). Give your answer correct to three decimal...
• 15M.3sp.hl.TZ0.3c: Find the confidence level of the interval that corresponds to halving the width of the \(99\% \)...