statistic question

QUESTION 1 (20 points): The owner of a company is considering buying a new software, in order to replace the current software on all computers in the company Fin Since the software is expensive, she would like to have a trial period first. More specifically, after the trial period she will distribute a questionnaire that gives a "satisfaction rating". The software is considered successful if the satisfaction rating of an employee is higher than 5. The owner randomly selects a sample of 32 employees and distributes the questionnaire. Looking at the data, she saw that the mean satisfaction rating was 6.4, with a standard deviation of 1.8. Test, at the 10% level of significance, if the new software can be considered to be successful