DP Mathematics HL Questionbank

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Directly related questions

• 18M.3sp.hl.TZ0.3c: Find the probability of making a Type II error.
• 18M.3sp.hl.TZ0.3b: Find the critical region for testing ${\bar b}$ at the 5 % significance level.
• 18M.3sp.hl.TZ0.3a: State suitable hypotheses for a two-tailed test.
• 12M.3sp.hl.TZ0.1b: In spite of these results the baker insists that his claim is correct. Stating appropriate...
• 12N.3sp.hl.TZ0.3a: The random variable X represents the height of a wave on a particular surf beach. It is known...
• 12N.3sp.hl.TZ0.3b: The random variable Y represents the height of a wave on another surf beach. It is known that Y...
• 11M.3sp.hl.TZ0.4b: Given that the value of $\mu$ is actually 2.5, determine the probability of a Type II error.
• 11M.3sp.hl.TZ0.3b: (i)     State suitable hypotheses for testing whether or not this diet causes a mean loss in...
• 11M.3sp.hl.TZ0.4a: Calculate the significance level of the test.
• SPNone.3sp.hl.TZ0.1c: The stallholder claims that the mean weight of apples is 125 grams but the shopper claims that...
• 10M.3sp.hl.TZ0.2: The random variable X has a Poisson distribution with mean $\mu$. The value of $\mu$ is...
• 13M.3sp.hl.TZ0.1c: Given the hypotheses $${{\text{H}}_0}:\mu  = 15;{\text{ }}{{\text{H}}_1}:\mu  \ne 15,$$ find...
• 13M.3sp.hl.TZ0.3a: State suitable hypotheses for this investigation.
• 13M.3sp.hl.TZ0.3b: It is decided to define the critical region by $x \leqslant 25$. (i)     Calculate the...
• 13N.3sp.hl.TZ0.3c: (i)     State the meaning of a type II error. (ii)     Write down how to proceed if it is...
• 13N.3sp.hl.TZ0.4: Francisco and his friends want to test whether performance in running 400 metres improves if they...
• 13N.3sp.hl.TZ0.3b: Explain what can be done with this data to decrease the probability of making a type I error.
• 15M.3sp.hl.TZ0.2b: (i)     State suitable hypotheses to test the claim that extra tuition improves examination...