1- On the date of 1/1/2020, Trader Ahmed started his business with a capital of 24,000 dinars, provided as follows:
Goods 8,000 dinars, a box of 10,000 dinars, a bank 6,000 dinars.
2 - On 2/1/2020, a new employee was appointed with a salary of 1200 dinars.
3 - On 3/2/2020, an amount of 2000 dinars was withdrawn from the fund and deposited in the bank account.
4 - On 5/2/2020, he bought goods from the Unity Company for 5,000 dinars on the account.
5 - On 2/7/2020, he sold goods to the customer, Muhammad, for 1,000 dinars on the account.
6- On 2/7/2020, he sold a commodity to the customer, Muhammad, for an amount of 2,000 dinars in cash.
7 - On 15/2/2020, the client Muhammad paid 500 dinars from his account in cash.
8 - On 20/2 2020, an amount of 200 dinars was paid in cash in exchange for shop wages expenses.
9 - On 25/2/ 2020, an amount of 300 dinars was paid in cash instead of advertising expenses.

Required/
1 - proof of previous operations in the diary of the dealer Ahmed (use the form below).

the amount

From him

To him

Statement

Document number

Professor number

Date

2 - Fund account in the ledger and its balance (use the following form)

From him	To him

Q2:

If the students ’scores in the Principles of Statistics course follow a normal distribution, a sample size of 100 students who took an examination was taken, and it was found that their average scores were 68 and their variance was 36.
Is the average of the students ’scores not less than 65 at the level of significance α=0.05?