The weight of packets of biscuits is claimed to be 500 g. A random sample of 50 packets has a mean weight of 495 g and a standard deviation of 10 g. Use a significance level of 5% to see whether or not the data from the sample supports the original claim.

The weight of packets of biscuits is claimed to be 500 g. A random sample of 50 packets has a mean weight of 495 g and a standard deviation of 10 g. Use a significance level of 5% to see whether or not the data from the sample supports the original claim.

The weight of packets of biscuits is claimed to be 500 g. A random sample of 50 packets has a mean weight of 495 g and a standard deviation of 10 g. Use a significance level of 5% to see whether or not the data from the sample supports the original claim.

The weight of packets of biscuits is claimed to be 500 g. A random sample of 50 packets has a mean weight of 495 g and a standard deviation of 10 g. Use a significance level of 5% to see whether or not the data from the sample supports the original claim.