A grocery store says their mangoes are larger than average. The average mango weighs 2.9lbs. A random sample from the store of 135 mangoes showed they had an average weight of 3lbs and a standard...

A grocery store says their mangoes are larger than average. The average mango weighs 2.9lbs. A random sample from the store of 135 mangoes showed they had an average weight of 3lbs and a standard deviation of 0.8 lbs. Assume we have a significance level of 0.05.

1. The null hypothesis is _______ and the alternative hypothesis is_________?

2. Our t-test statistic is ____________

3. p-value _______________

4. evidence supporting the null hypothesis ? yes or no