Stochastic Trading with MACD filter

I would like to introduce you to a simple strategy to avoid false signals when entering with the stochastic oscillator…
So you need Stochastic (standard in MT4) and .
The following are the conditions for entry:

sell:
1. Crossover of Stochastic and Stoc_signal
2. Random > Random Value (set to 60)
3. MACD > MACD Upper BB

Purchase instructions:
1. Crossover of Stochastic and Stoc_signal
2. Random < random value (set to 40)
3. MACD < MACD lower BB

Here you will find ea, a modified version of MACD with BB and template: first load the ea in "Experts", load the indicator in "Indicators" and load the template in the "Templates" folder.
After: one currency on any timeframe... and load the template in the chart

I accept comments of any kind, but constructive ones.
Thank you so much!