Answer Happy

The measured stopping distances of the 1000 bicycles are given in the table. Measured stopping distance Number of bicycles Less than 6.5 m 12 Between 6.5 m and 6.75m 428 Between 6.75 m and 7m 527 More than 7m 33 It is decided to perform a x' goodness of fit test at the 5% level of significance to decide whether the stopping distances of bicycles travelling at 20 km h can be modelled by a normal distribution with mean 6.76m and standard deviation 0.12 m. (c) State the null and alternative hypotheses. (d) Find the p-value for the test. (e) State the conclusion of the test. Give a reason for your answer.